Home / 3,691.53-5,095.80-2,199.15

Finding the Fourth Proportional to 3,691.53, 5,095.80 and 2,199.15

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Solution

The fourth proportional to 3,691.53, 5,095.80 and 2,199.15 is: 3,035.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,691.53 : 5,095.80 = 2,199.15 : x
  2. Step 2: Convert to fraction form
    3,691.53/5,095.80 = 2,199.15/x
  3. Step 3: Cross multiply
    3,691.53x = 5,095.80 × 2,199.15
  4. Step 4: Simplify right side
    3,691.53x = 11,206,428.57
  5. Step 5: Solve for x
    x = 11,206,428.57/3,691.53
  6. Step 6: Final answer
    x = 3,035.71

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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.