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Finding the Fourth Proportional to 2,906.38, 4,359.84 and 932.07

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Solution

The fourth proportional to 2,906.38, 4,359.84 and 932.07 is: 1,398.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,906.38 : 4,359.84 = 932.07 : x
  2. Step 2: Convert to fraction form
    2,906.38/4,359.84 = 932.07/x
  3. Step 3: Cross multiply
    2,906.38x = 4,359.84 × 932.07
  4. Step 4: Simplify right side
    2,906.38x = 4,063,676.07
  5. Step 5: Solve for x
    x = 4,063,676.07/2,906.38
  6. Step 6: Final answer
    x = 1,398.19

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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.