Home / 3,757.78-5,180.92-2,576.80

Finding the Fourth Proportional to 3,757.78, 5,180.92 and 2,576.80

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Solution

The fourth proportional to 3,757.78, 5,180.92 and 2,576.80 is: 3,552.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,757.78 : 5,180.92 = 2,576.80 : x
  2. Step 2: Convert to fraction form
    3,757.78/5,180.92 = 2,576.80/x
  3. Step 3: Cross multiply
    3,757.78x = 5,180.92 × 2,576.80
  4. Step 4: Simplify right side
    3,757.78x = 13,350,194.66
  5. Step 5: Solve for x
    x = 13,350,194.66/3,757.78
  6. Step 6: Final answer
    x = 3,552.68

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1.5x scale

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.