Home / 2,721.79-4,082.13-1,334.53

Finding the Fourth Proportional to 2,721.79, 4,082.13 and 1,334.53

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Solution

The fourth proportional to 2,721.79, 4,082.13 and 1,334.53 is: 2,001.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,721.79 : 4,082.13 = 1,334.53 : x
  2. Step 2: Convert to fraction form
    2,721.79/4,082.13 = 1,334.53/x
  3. Step 3: Cross multiply
    2,721.79x = 4,082.13 × 1,334.53
  4. Step 4: Simplify right side
    2,721.79x = 5,447,704.54
  5. Step 5: Solve for x
    x = 5,447,704.54/2,721.79
  6. Step 6: Final answer
    x = 2,001.52

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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.