Home / 2,229.66-3,076.88-1,234.91

Finding the Fourth Proportional to 2,229.66, 3,076.88 and 1,234.91

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Solution

The fourth proportional to 2,229.66, 3,076.88 and 1,234.91 is: 1,704.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,229.66 : 3,076.88 = 1,234.91 : x
  2. Step 2: Convert to fraction form
    2,229.66/3,076.88 = 1,234.91/x
  3. Step 3: Cross multiply
    2,229.66x = 3,076.88 × 1,234.91
  4. Step 4: Simplify right side
    2,229.66x = 3,799,671.40
  5. Step 5: Solve for x
    x = 3,799,671.40/2,229.66
  6. Step 6: Final answer
    x = 1,704.15

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1.5x scale

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.