Home / 3,979.06-5,967.82-3,781.49

Finding the Fourth Proportional to 3,979.06, 5,967.82 and 3,781.49

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Solution

The fourth proportional to 3,979.06, 5,967.82 and 3,781.49 is: 5,671.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,979.06 : 5,967.82 = 3,781.49 : x
  2. Step 2: Convert to fraction form
    3,979.06/5,967.82 = 3,781.49/x
  3. Step 3: Cross multiply
    3,979.06x = 5,967.82 × 3,781.49
  4. Step 4: Simplify right side
    3,979.06x = 22,567,236.73
  5. Step 5: Solve for x
    x = 22,567,236.73/3,979.06
  6. Step 6: Final answer
    x = 5,671.50

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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.