Home / 3,747.44-5,623.72-1,438.96

Finding the Fourth Proportional to 3,747.44, 5,623.72 and 1,438.96

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Solution

The fourth proportional to 3,747.44, 5,623.72 and 1,438.96 is: 2,159.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,747.44 : 5,623.72 = 1,438.96 : x
  2. Step 2: Convert to fraction form
    3,747.44/5,623.72 = 1,438.96/x
  3. Step 3: Cross multiply
    3,747.44x = 5,623.72 × 1,438.96
  4. Step 4: Simplify right side
    3,747.44x = 8,092,308.13
  5. Step 5: Solve for x
    x = 8,092,308.13/3,747.44
  6. Step 6: Final answer
    x = 2,159.42

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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.