Home / 2,922.28-4,377.66-1,274.92

Finding the Fourth Proportional to 2,922.28, 4,377.66 and 1,274.92

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Solution

The fourth proportional to 2,922.28, 4,377.66 and 1,274.92 is: 1,909.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,922.28 : 4,377.66 = 1,274.92 : x
  2. Step 2: Convert to fraction form
    2,922.28/4,377.66 = 1,274.92/x
  3. Step 3: Cross multiply
    2,922.28x = 4,377.66 × 1,274.92
  4. Step 4: Simplify right side
    2,922.28x = 5,581,166.29
  5. Step 5: Solve for x
    x = 5,581,166.29/2,922.28
  6. Step 6: Final answer
    x = 1,909.87

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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.