Home / 3,927.82-5,420.92-2,534.62

Finding the Fourth Proportional to 3,927.82, 5,420.92 and 2,534.62

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Solution

The fourth proportional to 3,927.82, 5,420.92 and 2,534.62 is: 3,498.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,927.82 : 5,420.92 = 2,534.62 : x
  2. Step 2: Convert to fraction form
    3,927.82/5,420.92 = 2,534.62/x
  3. Step 3: Cross multiply
    3,927.82x = 5,420.92 × 2,534.62
  4. Step 4: Simplify right side
    3,927.82x = 13,739,972.25
  5. Step 5: Solve for x
    x = 13,739,972.25/3,927.82
  6. Step 6: Final answer
    x = 3,498.12

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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.