Home / 2,640.56-3,963.27-2,481.80

Finding the Fourth Proportional to 2,640.56, 3,963.27 and 2,481.80

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Solution

The fourth proportional to 2,640.56, 3,963.27 and 2,481.80 is: 3,724.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,640.56 : 3,963.27 = 2,481.80 : x
  2. Step 2: Convert to fraction form
    2,640.56/3,963.27 = 2,481.80/x
  3. Step 3: Cross multiply
    2,640.56x = 3,963.27 × 2,481.80
  4. Step 4: Simplify right side
    2,640.56x = 9,836,043.49
  5. Step 5: Solve for x
    x = 9,836,043.49/2,640.56
  6. Step 6: Final answer
    x = 3,724.98

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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.