Home / 2,711.76-4,061.97-2,160.96

Finding the Fourth Proportional to 2,711.76, 4,061.97 and 2,160.96

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Solution

The fourth proportional to 2,711.76, 4,061.97 and 2,160.96 is: 3,236.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,711.76 : 4,061.97 = 2,160.96 : x
  2. Step 2: Convert to fraction form
    2,711.76/4,061.97 = 2,160.96/x
  3. Step 3: Cross multiply
    2,711.76x = 4,061.97 × 2,160.96
  4. Step 4: Simplify right side
    2,711.76x = 8,777,754.69
  5. Step 5: Solve for x
    x = 8,777,754.69/2,711.76
  6. Step 6: Final answer
    x = 3,236.92

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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.