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Finding the Fourth Proportional to 1,924.38, 2,887.04 and 625.85

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Solution

The fourth proportional to 1,924.38, 2,887.04 and 625.85 is: 938.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,924.38 : 2,887.04 = 625.85 : x
  2. Step 2: Convert to fraction form
    1,924.38/2,887.04 = 625.85/x
  3. Step 3: Cross multiply
    1,924.38x = 2,887.04 × 625.85
  4. Step 4: Simplify right side
    1,924.38x = 1,806,836.42
  5. Step 5: Solve for x
    x = 1,806,836.42/1,924.38
  6. Step 6: Final answer
    x = 938.92

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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.