Home / 3,728.76-5,589.64-1,261.85

Finding the Fourth Proportional to 3,728.76, 5,589.64 and 1,261.85

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Solution

The fourth proportional to 3,728.76, 5,589.64 and 1,261.85 is: 1,891.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,728.76 : 5,589.64 = 1,261.85 : x
  2. Step 2: Convert to fraction form
    3,728.76/5,589.64 = 1,261.85/x
  3. Step 3: Cross multiply
    3,728.76x = 5,589.64 × 1,261.85
  4. Step 4: Simplify right side
    3,728.76x = 7,053,252.98
  5. Step 5: Solve for x
    x = 7,053,252.98/3,728.76
  6. Step 6: Final answer
    x = 1,891.58

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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.