Home / 3,748.43-5,171.91-2,176.22

Finding the Fourth Proportional to 3,748.43, 5,171.91 and 2,176.22

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Solution

The fourth proportional to 3,748.43, 5,171.91 and 2,176.22 is: 3,002.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,748.43 : 5,171.91 = 2,176.22 : x
  2. Step 2: Convert to fraction form
    3,748.43/5,171.91 = 2,176.22/x
  3. Step 3: Cross multiply
    3,748.43x = 5,171.91 × 2,176.22
  4. Step 4: Simplify right side
    3,748.43x = 11,255,213.98
  5. Step 5: Solve for x
    x = 11,255,213.98/3,748.43
  6. Step 6: Final answer
    x = 3,002.65

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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.