Home / 3,961.80-5,462.31-2,542.98

Finding the Fourth Proportional to 3,961.80, 5,462.31 and 2,542.98

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Solution

The fourth proportional to 3,961.80, 5,462.31 and 2,542.98 is: 3,506.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,961.80 : 5,462.31 = 2,542.98 : x
  2. Step 2: Convert to fraction form
    3,961.80/5,462.31 = 2,542.98/x
  3. Step 3: Cross multiply
    3,961.80x = 5,462.31 × 2,542.98
  4. Step 4: Simplify right side
    3,961.80x = 13,890,545.08
  5. Step 5: Solve for x
    x = 13,890,545.08/3,961.80
  6. Step 6: Final answer
    x = 3,506.12

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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.