Home / 2,255.48-3,383.71-1,331.73

Finding the Fourth Proportional to 2,255.48, 3,383.71 and 1,331.73

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Solution

The fourth proportional to 2,255.48, 3,383.71 and 1,331.73 is: 1,997.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,255.48 : 3,383.71 = 1,331.73 : x
  2. Step 2: Convert to fraction form
    2,255.48/3,383.71 = 1,331.73/x
  3. Step 3: Cross multiply
    2,255.48x = 3,383.71 × 1,331.73
  4. Step 4: Simplify right side
    2,255.48x = 4,506,188.12
  5. Step 5: Solve for x
    x = 4,506,188.12/2,255.48
  6. Step 6: Final answer
    x = 1,997.88

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1.5x scale

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.