Home / 3,976.15-5,963.96-1,635.55

Finding the Fourth Proportional to 3,976.15, 5,963.96 and 1,635.55

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Solution

The fourth proportional to 3,976.15, 5,963.96 and 1,635.55 is: 2,453.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,976.15 : 5,963.96 = 1,635.55 : x
  2. Step 2: Convert to fraction form
    3,976.15/5,963.96 = 1,635.55/x
  3. Step 3: Cross multiply
    3,976.15x = 5,963.96 × 1,635.55
  4. Step 4: Simplify right side
    3,976.15x = 9,754,354.78
  5. Step 5: Solve for x
    x = 9,754,354.78/3,976.15
  6. Step 6: Final answer
    x = 2,453.22

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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.