Home / 3,427.31-5,138.94-1,344.87

Finding the Fourth Proportional to 3,427.31, 5,138.94 and 1,344.87

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Solution

The fourth proportional to 3,427.31, 5,138.94 and 1,344.87 is: 2,016.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,427.31 : 5,138.94 = 1,344.87 : x
  2. Step 2: Convert to fraction form
    3,427.31/5,138.94 = 1,344.87/x
  3. Step 3: Cross multiply
    3,427.31x = 5,138.94 × 1,344.87
  4. Step 4: Simplify right side
    3,427.31x = 6,911,211.28
  5. Step 5: Solve for x
    x = 6,911,211.28/3,427.31
  6. Step 6: Final answer
    x = 2,016.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.