Home / 3,949.18-5,449.83-2,377.66

Finding the Fourth Proportional to 3,949.18, 5,449.83 and 2,377.66

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Solution

The fourth proportional to 3,949.18, 5,449.83 and 2,377.66 is: 3,281.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,949.18 : 5,449.83 = 2,377.66 : x
  2. Step 2: Convert to fraction form
    3,949.18/5,449.83 = 2,377.66/x
  3. Step 3: Cross multiply
    3,949.18x = 5,449.83 × 2,377.66
  4. Step 4: Simplify right side
    3,949.18x = 12,957,842.80
  5. Step 5: Solve for x
    x = 12,957,842.80/3,949.18
  6. Step 6: Final answer
    x = 3,281.15

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1.5x scale

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.