Home / 3,943.82-5,442.50-2,175.48

Finding the Fourth Proportional to 3,943.82, 5,442.50 and 2,175.48

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Solution

The fourth proportional to 3,943.82, 5,442.50 and 2,175.48 is: 3,002.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,943.82 : 5,442.50 = 2,175.48 : x
  2. Step 2: Convert to fraction form
    3,943.82/5,442.50 = 2,175.48/x
  3. Step 3: Cross multiply
    3,943.82x = 5,442.50 × 2,175.48
  4. Step 4: Simplify right side
    3,943.82x = 11,840,049.90
  5. Step 5: Solve for x
    x = 11,840,049.90/3,943.82
  6. Step 6: Final answer
    x = 3,002.18

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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.