Home / 3,387.56-5,081.42-1,195.79

Finding the Fourth Proportional to 3,387.56, 5,081.42 and 1,195.79

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Solution

The fourth proportional to 3,387.56, 5,081.42 and 1,195.79 is: 1,793.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,387.56 : 5,081.42 = 1,195.79 : x
  2. Step 2: Convert to fraction form
    3,387.56/5,081.42 = 1,195.79/x
  3. Step 3: Cross multiply
    3,387.56x = 5,081.42 × 1,195.79
  4. Step 4: Simplify right side
    3,387.56x = 6,076,288.80
  5. Step 5: Solve for x
    x = 6,076,288.80/3,387.56
  6. Step 6: Final answer
    x = 1,793.71

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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.