Home / 3,748.20-5,172.94-2,176.44

Finding the Fourth Proportional to 3,748.20, 5,172.94 and 2,176.44

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Solution

The fourth proportional to 3,748.20, 5,172.94 and 2,176.44 is: 3,003.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,748.20 : 5,172.94 = 2,176.44 : x
  2. Step 2: Convert to fraction form
    3,748.20/5,172.94 = 2,176.44/x
  3. Step 3: Cross multiply
    3,748.20x = 5,172.94 × 2,176.44
  4. Step 4: Simplify right side
    3,748.20x = 11,258,593.53
  5. Step 5: Solve for x
    x = 11,258,593.53/3,748.20
  6. Step 6: Final answer
    x = 3,003.73

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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.