Home / 3,447.12-5,170.68-2,060.85

Finding the Fourth Proportional to 3,447.12, 5,170.68 and 2,060.85

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Solution

The fourth proportional to 3,447.12, 5,170.68 and 2,060.85 is: 3,091.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,447.12 : 5,170.68 = 2,060.85 : x
  2. Step 2: Convert to fraction form
    3,447.12/5,170.68 = 2,060.85/x
  3. Step 3: Cross multiply
    3,447.12x = 5,170.68 × 2,060.85
  4. Step 4: Simplify right side
    3,447.12x = 10,655,988.15
  5. Step 5: Solve for x
    x = 10,655,988.15/3,447.12
  6. Step 6: Final answer
    x = 3,091.28

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1.5x scale

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.