Home / 3,616.60-5,418.96-3,481.75

Finding the Fourth Proportional to 3,616.60, 5,418.96 and 3,481.75

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Solution

The fourth proportional to 3,616.60, 5,418.96 and 3,481.75 is: 5,216.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,616.60 : 5,418.96 = 3,481.75 : x
  2. Step 2: Convert to fraction form
    3,616.60/5,418.96 = 3,481.75/x
  3. Step 3: Cross multiply
    3,616.60x = 5,418.96 × 3,481.75
  4. Step 4: Simplify right side
    3,616.60x = 18,867,463.98
  5. Step 5: Solve for x
    x = 18,867,463.98/3,616.60
  6. Step 6: Final answer
    x = 5,216.91

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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.