Home / 3,849.39-5,776.92-2,872.53

Finding the Fourth Proportional to 3,849.39, 5,776.92 and 2,872.53

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Solution

The fourth proportional to 3,849.39, 5,776.92 and 2,872.53 is: 4,310.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,849.39 : 5,776.92 = 2,872.53 : x
  2. Step 2: Convert to fraction form
    3,849.39/5,776.92 = 2,872.53/x
  3. Step 3: Cross multiply
    3,849.39x = 5,776.92 × 2,872.53
  4. Step 4: Simplify right side
    3,849.39x = 16,594,376.01
  5. Step 5: Solve for x
    x = 16,594,376.01/3,849.39
  6. Step 6: Final answer
    x = 4,310.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.