Home / 1,528.24-2,292.14-432.72

Finding the Fourth Proportional to 1,528.24, 2,292.14 and 432.72

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Solution

The fourth proportional to 1,528.24, 2,292.14 and 432.72 is: 649.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,528.24 : 2,292.14 = 432.72 : x
  2. Step 2: Convert to fraction form
    1,528.24/2,292.14 = 432.72/x
  3. Step 3: Cross multiply
    1,528.24x = 2,292.14 × 432.72
  4. Step 4: Simplify right side
    1,528.24x = 991,854.82
  5. Step 5: Solve for x
    x = 991,854.82/1,528.24
  6. Step 6: Final answer
    x = 649.02

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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.