Home / 3,983.68-5,963.20-3,643.48

Finding the Fourth Proportional to 3,983.68, 5,963.20 and 3,643.48

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Solution

The fourth proportional to 3,983.68, 5,963.20 and 3,643.48 is: 5,453.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,983.68 : 5,963.20 = 3,643.48 : x
  2. Step 2: Convert to fraction form
    3,983.68/5,963.20 = 3,643.48/x
  3. Step 3: Cross multiply
    3,983.68x = 5,963.20 × 3,643.48
  4. Step 4: Simplify right side
    3,983.68x = 21,726,799.94
  5. Step 5: Solve for x
    x = 21,726,799.94/3,983.68
  6. Step 6: Final answer
    x = 5,453.95

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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.