Home / 2,233.12-3,081.22-1,348.90

Finding the Fourth Proportional to 2,233.12, 3,081.22 and 1,348.90

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Solution

The fourth proportional to 2,233.12, 3,081.22 and 1,348.90 is: 1,861.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,233.12 : 3,081.22 = 1,348.90 : x
  2. Step 2: Convert to fraction form
    2,233.12/3,081.22 = 1,348.90/x
  3. Step 3: Cross multiply
    2,233.12x = 3,081.22 × 1,348.90
  4. Step 4: Simplify right side
    2,233.12x = 4,156,257.66
  5. Step 5: Solve for x
    x = 4,156,257.66/2,233.12
  6. Step 6: Final answer
    x = 1,861.19

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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.