Question 346088
The volume of a rectangular prism can be found by the formula: 
volume=length*width*height.

Let V = 2058

Let length = 3x

Let width = x

Let height = 2x

2058 = (3x)(x)(2x)

2058 = (3x^2)(2x)

2058 = 6x^3

Can you continue from here?