Home / 2,140.08-3,203.16-1,151.52

Finding the Fourth Proportional to 2,140.08, 3,203.16 and 1,151.52

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Solution

The fourth proportional to 2,140.08, 3,203.16 and 1,151.52 is: 1,723.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,140.08 : 3,203.16 = 1,151.52 : x
  2. Step 2: Convert to fraction form
    2,140.08/3,203.16 = 1,151.52/x
  3. Step 3: Cross multiply
    2,140.08x = 3,203.16 × 1,151.52
  4. Step 4: Simplify right side
    2,140.08x = 3,688,502.80
  5. Step 5: Solve for x
    x = 3,688,502.80/2,140.08
  6. Step 6: Final answer
    x = 1,723.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.