Home / 3,691.73-5,535.54-1,225.89

Finding the Fourth Proportional to 3,691.73, 5,535.54 and 1,225.89

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Solution

The fourth proportional to 3,691.73, 5,535.54 and 1,225.89 is: 1,838.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,691.73 : 5,535.54 = 1,225.89 : x
  2. Step 2: Convert to fraction form
    3,691.73/5,535.54 = 1,225.89/x
  3. Step 3: Cross multiply
    3,691.73x = 5,535.54 × 1,225.89
  4. Step 4: Simplify right side
    3,691.73x = 6,785,963.13
  5. Step 5: Solve for x
    x = 6,785,963.13/3,691.73
  6. Step 6: Final answer
    x = 1,838.15

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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.