Home / 3,861.92-5,331.76-2,537.84

Finding the Fourth Proportional to 3,861.92, 5,331.76 and 2,537.84

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Solution

The fourth proportional to 3,861.92, 5,331.76 and 2,537.84 is: 3,503.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,861.92 : 5,331.76 = 2,537.84 : x
  2. Step 2: Convert to fraction form
    3,861.92/5,331.76 = 2,537.84/x
  3. Step 3: Cross multiply
    3,861.92x = 5,331.76 × 2,537.84
  4. Step 4: Simplify right side
    3,861.92x = 13,531,153.80
  5. Step 5: Solve for x
    x = 13,531,153.80/3,861.92
  6. Step 6: Final answer
    x = 3,503.74

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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.