Home / 3,791.32-5,681.52-2,697.88

Finding the Fourth Proportional to 3,791.32, 5,681.52 and 2,697.88

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Solution

The fourth proportional to 3,791.32, 5,681.52 and 2,697.88 is: 4,042.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,791.32 : 5,681.52 = 2,697.88 : x
  2. Step 2: Convert to fraction form
    3,791.32/5,681.52 = 2,697.88/x
  3. Step 3: Cross multiply
    3,791.32x = 5,681.52 × 2,697.88
  4. Step 4: Simplify right side
    3,791.32x = 15,328,059.18
  5. Step 5: Solve for x
    x = 15,328,059.18/3,791.32
  6. Step 6: Final answer
    x = 4,042.93

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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.