Home / 3,902.67-5,855.43-2,343.78

Finding the Fourth Proportional to 3,902.67, 5,855.43 and 2,343.78

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Solution

The fourth proportional to 3,902.67, 5,855.43 and 2,343.78 is: 3,516.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,902.67 : 5,855.43 = 2,343.78 : x
  2. Step 2: Convert to fraction form
    3,902.67/5,855.43 = 2,343.78/x
  3. Step 3: Cross multiply
    3,902.67x = 5,855.43 × 2,343.78
  4. Step 4: Simplify right side
    3,902.67x = 13,723,839.73
  5. Step 5: Solve for x
    x = 13,723,839.73/3,902.67
  6. Step 6: Final answer
    x = 3,516.53

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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.