Home / 3,872.44-5,370.54-3,631.87

Finding the Fourth Proportional to 3,872.44, 5,370.54 and 3,631.87

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Solution

The fourth proportional to 3,872.44, 5,370.54 and 3,631.87 is: 5,036.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,872.44 : 5,370.54 = 3,631.87 : x
  2. Step 2: Convert to fraction form
    3,872.44/5,370.54 = 3,631.87/x
  3. Step 3: Cross multiply
    3,872.44x = 5,370.54 × 3,631.87
  4. Step 4: Simplify right side
    3,872.44x = 19,505,103.11
  5. Step 5: Solve for x
    x = 19,505,103.11/3,872.44
  6. Step 6: Final answer
    x = 5,036.90

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.