Home / 3,691.45-5,533.82-1,349.79

Finding the Fourth Proportional to 3,691.45, 5,533.82 and 1,349.79

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Solution

The fourth proportional to 3,691.45, 5,533.82 and 1,349.79 is: 2,023.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,691.45 : 5,533.82 = 1,349.79 : x
  2. Step 2: Convert to fraction form
    3,691.45/5,533.82 = 1,349.79/x
  3. Step 3: Cross multiply
    3,691.45x = 5,533.82 × 1,349.79
  4. Step 4: Simplify right side
    3,691.45x = 7,469,494.90
  5. Step 5: Solve for x
    x = 7,469,494.90/3,691.45
  6. Step 6: Final answer
    x = 2,023.46

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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.