Home / 2,721.14-4,082.40-1,332.60

Finding the Fourth Proportional to 2,721.14, 4,082.40 and 1,332.60

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Solution

The fourth proportional to 2,721.14, 4,082.40 and 1,332.60 is: 1,999.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,721.14 : 4,082.40 = 1,332.60 : x
  2. Step 2: Convert to fraction form
    2,721.14/4,082.40 = 1,332.60/x
  3. Step 3: Cross multiply
    2,721.14x = 4,082.40 × 1,332.60
  4. Step 4: Simplify right side
    2,721.14x = 5,440,206.24
  5. Step 5: Solve for x
    x = 5,440,206.24/2,721.14
  6. Step 6: Final answer
    x = 1,999.24

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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.