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Finding the Fourth Proportional to 2,471.02, 3,705.99 and 932.02

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Solution

The fourth proportional to 2,471.02, 3,705.99 and 932.02 is: 1,397.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,471.02 : 3,705.99 = 932.02 : x
  2. Step 2: Convert to fraction form
    2,471.02/3,705.99 = 932.02/x
  3. Step 3: Cross multiply
    2,471.02x = 3,705.99 × 932.02
  4. Step 4: Simplify right side
    2,471.02x = 3,454,056.80
  5. Step 5: Solve for x
    x = 3,454,056.80/2,471.02
  6. Step 6: Final answer
    x = 1,397.83

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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.