Home / 3,471.50-4,790.68-2,231.66

Finding the Fourth Proportional to 3,471.50, 4,790.68 and 2,231.66

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Solution

The fourth proportional to 3,471.50, 4,790.68 and 2,231.66 is: 3,079.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,471.50 : 4,790.68 = 2,231.66 : x
  2. Step 2: Convert to fraction form
    3,471.50/4,790.68 = 2,231.66/x
  3. Step 3: Cross multiply
    3,471.50x = 4,790.68 × 2,231.66
  4. Step 4: Simplify right side
    3,471.50x = 10,691,168.93
  5. Step 5: Solve for x
    x = 10,691,168.93/3,471.50
  6. Step 6: Final answer
    x = 3,079.70

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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.