Home / 3,747.73-5,622.42-1,115.44

Finding the Fourth Proportional to 3,747.73, 5,622.42 and 1,115.44

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Solution

The fourth proportional to 3,747.73, 5,622.42 and 1,115.44 is: 1,673.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,747.73 : 5,622.42 = 1,115.44 : x
  2. Step 2: Convert to fraction form
    3,747.73/5,622.42 = 1,115.44/x
  3. Step 3: Cross multiply
    3,747.73x = 5,622.42 × 1,115.44
  4. Step 4: Simplify right side
    3,747.73x = 6,271,472.16
  5. Step 5: Solve for x
    x = 6,271,472.16/3,747.73
  6. Step 6: Final answer
    x = 1,673.41

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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.