Home / 2,722.28-4,082.82-1,334.24

Finding the Fourth Proportional to 2,722.28, 4,082.82 and 1,334.24

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Solution

The fourth proportional to 2,722.28, 4,082.82 and 1,334.24 is: 2,001.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,722.28 : 4,082.82 = 1,334.24 : x
  2. Step 2: Convert to fraction form
    2,722.28/4,082.82 = 1,334.24/x
  3. Step 3: Cross multiply
    2,722.28x = 4,082.82 × 1,334.24
  4. Step 4: Simplify right side
    2,722.28x = 5,447,461.76
  5. Step 5: Solve for x
    x = 5,447,461.76/2,722.28
  6. Step 6: Final answer
    x = 2,001.07

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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.