Home / 2,206.66-3,044.10-1,321.88

Finding the Fourth Proportional to 2,206.66, 3,044.10 and 1,321.88

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Solution

The fourth proportional to 2,206.66, 3,044.10 and 1,321.88 is: 1,823.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,206.66 : 3,044.10 = 1,321.88 : x
  2. Step 2: Convert to fraction form
    2,206.66/3,044.10 = 1,321.88/x
  3. Step 3: Cross multiply
    2,206.66x = 3,044.10 × 1,321.88
  4. Step 4: Simplify right side
    2,206.66x = 4,023,934.91
  5. Step 5: Solve for x
    x = 4,023,934.91/2,206.66
  6. Step 6: Final answer
    x = 1,823.54

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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.