Home / 3,791.72-5,233.26-2,198.18

Finding the Fourth Proportional to 3,791.72, 5,233.26 and 2,198.18

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Solution

The fourth proportional to 3,791.72, 5,233.26 and 2,198.18 is: 3,033.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,791.72 : 5,233.26 = 2,198.18 : x
  2. Step 2: Convert to fraction form
    3,791.72/5,233.26 = 2,198.18/x
  3. Step 3: Cross multiply
    3,791.72x = 5,233.26 × 2,198.18
  4. Step 4: Simplify right side
    3,791.72x = 11,503,621.30
  5. Step 5: Solve for x
    x = 11,503,621.30/3,791.72
  6. Step 6: Final answer
    x = 3,033.88

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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.