Home / 3,747.82-5,171.70-2,176.03

Finding the Fourth Proportional to 3,747.82, 5,171.70 and 2,176.03

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Solution

The fourth proportional to 3,747.82, 5,171.70 and 2,176.03 is: 3,002.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,747.82 : 5,171.70 = 2,176.03 : x
  2. Step 2: Convert to fraction form
    3,747.82/5,171.70 = 2,176.03/x
  3. Step 3: Cross multiply
    3,747.82x = 5,171.70 × 2,176.03
  4. Step 4: Simplify right side
    3,747.82x = 11,253,774.35
  5. Step 5: Solve for x
    x = 11,253,774.35/3,747.82
  6. Step 6: Final answer
    x = 3,002.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.