Home / 2,179.49-3,265.14-1,082.57

Finding the Fourth Proportional to 2,179.49, 3,265.14 and 1,082.57

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Solution

The fourth proportional to 2,179.49, 3,265.14 and 1,082.57 is: 1,621.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,179.49 : 3,265.14 = 1,082.57 : x
  2. Step 2: Convert to fraction form
    2,179.49/3,265.14 = 1,082.57/x
  3. Step 3: Cross multiply
    2,179.49x = 3,265.14 × 1,082.57
  4. Step 4: Simplify right side
    2,179.49x = 3,534,742.61
  5. Step 5: Solve for x
    x = 3,534,742.61/2,179.49
  6. Step 6: Final answer
    x = 1,621.82

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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.