Home / 3,708.68-5,115.94-2,361.78

Finding the Fourth Proportional to 3,708.68, 5,115.94 and 2,361.78

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Solution

The fourth proportional to 3,708.68, 5,115.94 and 2,361.78 is: 3,257.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,708.68 : 5,115.94 = 2,361.78 : x
  2. Step 2: Convert to fraction form
    3,708.68/5,115.94 = 2,361.78/x
  3. Step 3: Cross multiply
    3,708.68x = 5,115.94 × 2,361.78
  4. Step 4: Simplify right side
    3,708.68x = 12,082,724.77
  5. Step 5: Solve for x
    x = 12,082,724.77/3,708.68
  6. Step 6: Final answer
    x = 3,257.96

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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.