Home / 1,355.59-2,031.76-1,029.97

Finding the Fourth Proportional to 1,355.59, 2,031.76 and 1,029.97

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Solution

The fourth proportional to 1,355.59, 2,031.76 and 1,029.97 is: 1,543.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,355.59 : 2,031.76 = 1,029.97 : x
  2. Step 2: Convert to fraction form
    1,355.59/2,031.76 = 1,029.97/x
  3. Step 3: Cross multiply
    1,355.59x = 2,031.76 × 1,029.97
  4. Step 4: Simplify right side
    1,355.59x = 2,092,651.85
  5. Step 5: Solve for x
    x = 2,092,651.85/1,355.59
  6. Step 6: Final answer
    x = 1,543.72

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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.