Home / 3,719.17-5,132.49-2,227.15

Finding the Fourth Proportional to 3,719.17, 5,132.49 and 2,227.15

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Solution

The fourth proportional to 3,719.17, 5,132.49 and 2,227.15 is: 3,073.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,719.17 : 5,132.49 = 2,227.15 : x
  2. Step 2: Convert to fraction form
    3,719.17/5,132.49 = 2,227.15/x
  3. Step 3: Cross multiply
    3,719.17x = 5,132.49 × 2,227.15
  4. Step 4: Simplify right side
    3,719.17x = 11,430,825.10
  5. Step 5: Solve for x
    x = 11,430,825.10/3,719.17
  6. Step 6: Final answer
    x = 3,073.49

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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.