Home / 3,791.33-5,229.92-2,219.12

Finding the Fourth Proportional to 3,791.33, 5,229.92 and 2,219.12

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Solution

The fourth proportional to 3,791.33, 5,229.92 and 2,219.12 is: 3,061.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,791.33 : 5,229.92 = 2,219.12 : x
  2. Step 2: Convert to fraction form
    3,791.33/5,229.92 = 2,219.12/x
  3. Step 3: Cross multiply
    3,791.33x = 5,229.92 × 2,219.12
  4. Step 4: Simplify right side
    3,791.33x = 11,605,782.83
  5. Step 5: Solve for x
    x = 11,605,782.83/3,791.33
  6. Step 6: Final answer
    x = 3,061.14

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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.