Home / 1,517.31-2,275.97-1,029.15

Finding the Fourth Proportional to 1,517.31, 2,275.97 and 1,029.15

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Solution

The fourth proportional to 1,517.31, 2,275.97 and 1,029.15 is: 1,543.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,517.31 : 2,275.97 = 1,029.15 : x
  2. Step 2: Convert to fraction form
    1,517.31/2,275.97 = 1,029.15/x
  3. Step 3: Cross multiply
    1,517.31x = 2,275.97 × 1,029.15
  4. Step 4: Simplify right side
    1,517.31x = 2,342,309.38
  5. Step 5: Solve for x
    x = 2,342,309.38/1,517.31
  6. Step 6: Final answer
    x = 1,543.73

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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.