Home / 3,837.46-5,757.27-1,240.60

Finding the Fourth Proportional to 3,837.46, 5,757.27 and 1,240.60

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Solution

The fourth proportional to 3,837.46, 5,757.27 and 1,240.60 is: 1,861.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,837.46 : 5,757.27 = 1,240.60 : x
  2. Step 2: Convert to fraction form
    3,837.46/5,757.27 = 1,240.60/x
  3. Step 3: Cross multiply
    3,837.46x = 5,757.27 × 1,240.60
  4. Step 4: Simplify right side
    3,837.46x = 7,142,469.16
  5. Step 5: Solve for x
    x = 7,142,469.16/3,837.46
  6. Step 6: Final answer
    x = 1,861.25

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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.