Home / 3,162.76-4,732.26-2,190.76

Finding the Fourth Proportional to 3,162.76, 4,732.26 and 2,190.76

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Solution

The fourth proportional to 3,162.76, 4,732.26 and 2,190.76 is: 3,277.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,162.76 : 4,732.26 = 2,190.76 : x
  2. Step 2: Convert to fraction form
    3,162.76/4,732.26 = 2,190.76/x
  3. Step 3: Cross multiply
    3,162.76x = 4,732.26 × 2,190.76
  4. Step 4: Simplify right side
    3,162.76x = 10,367,245.92
  5. Step 5: Solve for x
    x = 10,367,245.92/3,162.76
  6. Step 6: Final answer
    x = 3,277.91

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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.