Home / 2,240.98-3,358.98-1,691.38

Finding the Fourth Proportional to 2,240.98, 3,358.98 and 1,691.38

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Solution

The fourth proportional to 2,240.98, 3,358.98 and 1,691.38 is: 2,535.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,240.98 : 3,358.98 = 1,691.38 : x
  2. Step 2: Convert to fraction form
    2,240.98/3,358.98 = 1,691.38/x
  3. Step 3: Cross multiply
    2,240.98x = 3,358.98 × 1,691.38
  4. Step 4: Simplify right side
    2,240.98x = 5,681,311.59
  5. Step 5: Solve for x
    x = 5,681,311.59/2,240.98
  6. Step 6: Final answer
    x = 2,535.19

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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.