Home / 2,205.20-3,304.20-1,881.20

Finding the Fourth Proportional to 2,205.20, 3,304.20 and 1,881.20

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Solution

The fourth proportional to 2,205.20, 3,304.20 and 1,881.20 is: 2,818.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,205.20 : 3,304.20 = 1,881.20 : x
  2. Step 2: Convert to fraction form
    2,205.20/3,304.20 = 1,881.20/x
  3. Step 3: Cross multiply
    2,205.20x = 3,304.20 × 1,881.20
  4. Step 4: Simplify right side
    2,205.20x = 6,215,861.04
  5. Step 5: Solve for x
    x = 6,215,861.04/2,205.20
  6. Step 6: Final answer
    x = 2,818.73

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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.