Home / 2,209.82-3,049.52-1,265.76

Finding the Fourth Proportional to 2,209.82, 3,049.52 and 1,265.76

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Solution

The fourth proportional to 2,209.82, 3,049.52 and 1,265.76 is: 1,746.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,209.82 : 3,049.52 = 1,265.76 : x
  2. Step 2: Convert to fraction form
    2,209.82/3,049.52 = 1,265.76/x
  3. Step 3: Cross multiply
    2,209.82x = 3,049.52 × 1,265.76
  4. Step 4: Simplify right side
    2,209.82x = 3,859,954.11
  5. Step 5: Solve for x
    x = 3,859,954.11/2,209.82
  6. Step 6: Final answer
    x = 1,746.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.