Home / 3,949.53-5,450.20-2,377.32

Finding the Fourth Proportional to 3,949.53, 5,450.20 and 2,377.32

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Solution

The fourth proportional to 3,949.53, 5,450.20 and 2,377.32 is: 3,280.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,949.53 : 5,450.20 = 2,377.32 : x
  2. Step 2: Convert to fraction form
    3,949.53/5,450.20 = 2,377.32/x
  3. Step 3: Cross multiply
    3,949.53x = 5,450.20 × 2,377.32
  4. Step 4: Simplify right side
    3,949.53x = 12,956,869.46
  5. Step 5: Solve for x
    x = 12,956,869.46/3,949.53
  6. Step 6: Final answer
    x = 3,280.61

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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.