Home / 3,169.96-4,383.30-2,732.20

Finding the Fourth Proportional to 3,169.96, 4,383.30 and 2,732.20

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Solution

The fourth proportional to 3,169.96, 4,383.30 and 2,732.20 is: 3,777.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,169.96 : 4,383.30 = 2,732.20 : x
  2. Step 2: Convert to fraction form
    3,169.96/4,383.30 = 2,732.20/x
  3. Step 3: Cross multiply
    3,169.96x = 4,383.30 × 2,732.20
  4. Step 4: Simplify right side
    3,169.96x = 11,976,052.26
  5. Step 5: Solve for x
    x = 11,976,052.26/3,169.96
  6. Step 6: Final answer
    x = 3,777.98

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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.