Two circles are equal to three triangles, three triangles are equal to four rhombus. Given that a circle and a triangle and two rhombus are equal to 800, how many are each of the three figures

Two circles are equal to three triangles, three triangles are equal to four rhombus. Given that a circle and a triangle and two rhombus are equal to 800, how many are each of the three figures

Circle x
Triangle y
Diamond Z
The equations are as follows:
2x=3y
3y=4z
x+y+2z=800
x=300
y=200
z=150