The sum of two triangles equals the sum of three squares, the sum of three squares equals the sum of four circles, the sum of one triangle plus square plus two circles = 400 Triangle? Square? Do me a favor, please, uncle and sister

The sum of two triangles equals the sum of three squares, the sum of three squares equals the sum of four circles, the sum of one triangle plus square plus two circles = 400 Triangle? Square? Do me a favor, please, uncle and sister

2X triangle = 3x square = 4x circle = x
X/2+X/3+X/2=400
4X/3=400
X=300
Triangle = 150
Square = 100
Circle = 75