Home / 1,951.31-2,924.42-1,487.38

Finding the Fourth Proportional to 1,951.31, 2,924.42 and 1,487.38

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Solution

The fourth proportional to 1,951.31, 2,924.42 and 1,487.38 is: 2,229.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,951.31 : 2,924.42 = 1,487.38 : x
  2. Step 2: Convert to fraction form
    1,951.31/2,924.42 = 1,487.38/x
  3. Step 3: Cross multiply
    1,951.31x = 2,924.42 × 1,487.38
  4. Step 4: Simplify right side
    1,951.31x = 4,349,709.20
  5. Step 5: Solve for x
    x = 4,349,709.20/1,951.31
  6. Step 6: Final answer
    x = 2,229.13

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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.