Home / 3,729.24-5,591.76-1,131.84

Finding the Fourth Proportional to 3,729.24, 5,591.76 and 1,131.84

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Solution

The fourth proportional to 3,729.24, 5,591.76 and 1,131.84 is: 1,697.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,729.24 : 5,591.76 = 1,131.84 : x
  2. Step 2: Convert to fraction form
    3,729.24/5,591.76 = 1,131.84/x
  3. Step 3: Cross multiply
    3,729.24x = 5,591.76 × 1,131.84
  4. Step 4: Simplify right side
    3,729.24x = 6,328,977.64
  5. Step 5: Solve for x
    x = 6,328,977.64/3,729.24
  6. Step 6: Final answer
    x = 1,697.12

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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.