Home / 1,432.10-2,146.71-507.08

Finding the Fourth Proportional to 1,432.10, 2,146.71 and 507.08

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Solution

The fourth proportional to 1,432.10, 2,146.71 and 507.08 is: 760.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432.10 : 2,146.71 = 507.08 : x
  2. Step 2: Convert to fraction form
    1,432.10/2,146.71 = 507.08/x
  3. Step 3: Cross multiply
    1,432.10x = 2,146.71 × 507.08
  4. Step 4: Simplify right side
    1,432.10x = 1,088,553.71
  5. Step 5: Solve for x
    x = 1,088,553.71/1,432.10
  6. Step 6: Final answer
    x = 760.11

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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.