Home / 2,240.73-3,358.61-1,691.13

Finding the Fourth Proportional to 2,240.73, 3,358.61 and 1,691.13

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Solution

The fourth proportional to 2,240.73, 3,358.61 and 1,691.13 is: 2,534.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,240.73 : 3,358.61 = 1,691.13 : x
  2. Step 2: Convert to fraction form
    2,240.73/3,358.61 = 1,691.13/x
  3. Step 3: Cross multiply
    2,240.73x = 3,358.61 × 1,691.13
  4. Step 4: Simplify right side
    2,240.73x = 5,679,837.67
  5. Step 5: Solve for x
    x = 5,679,837.67/2,240.73
  6. Step 6: Final answer
    x = 2,534.82

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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.