Home / 3,822.17-5,729.85-1,356.66

Finding the Fourth Proportional to 3,822.17, 5,729.85 and 1,356.66

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Solution

The fourth proportional to 3,822.17, 5,729.85 and 1,356.66 is: 2,033.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,822.17 : 5,729.85 = 1,356.66 : x
  2. Step 2: Convert to fraction form
    3,822.17/5,729.85 = 1,356.66/x
  3. Step 3: Cross multiply
    3,822.17x = 5,729.85 × 1,356.66
  4. Step 4: Simplify right side
    3,822.17x = 7,773,458.30
  5. Step 5: Solve for x
    x = 7,773,458.30/3,822.17
  6. Step 6: Final answer
    x = 2,033.78

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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.