Home / 3,949.92-5,450.52-2,456.70

Finding the Fourth Proportional to 3,949.92, 5,450.52 and 2,456.70

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Solution

The fourth proportional to 3,949.92, 5,450.52 and 2,456.70 is: 3,390.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,949.92 : 5,450.52 = 2,456.70 : x
  2. Step 2: Convert to fraction form
    3,949.92/5,450.52 = 2,456.70/x
  3. Step 3: Cross multiply
    3,949.92x = 5,450.52 × 2,456.70
  4. Step 4: Simplify right side
    3,949.92x = 13,390,292.48
  5. Step 5: Solve for x
    x = 13,390,292.48/3,949.92
  6. Step 6: Final answer
    x = 3,390.02

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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.