Home / 3,691.25-5,093.32-2,198.62

Finding the Fourth Proportional to 3,691.25, 5,093.32 and 2,198.62

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Solution

The fourth proportional to 3,691.25, 5,093.32 and 2,198.62 is: 3,033.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,691.25 : 5,093.32 = 2,198.62 : x
  2. Step 2: Convert to fraction form
    3,691.25/5,093.32 = 2,198.62/x
  3. Step 3: Cross multiply
    3,691.25x = 5,093.32 × 2,198.62
  4. Step 4: Simplify right side
    3,691.25x = 11,198,262.79
  5. Step 5: Solve for x
    x = 11,198,262.79/3,691.25
  6. Step 6: Final answer
    x = 3,033.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.