Home / 3,387.23-5,081.41-1,165.97

Finding the Fourth Proportional to 3,387.23, 5,081.41 and 1,165.97

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Solution

The fourth proportional to 3,387.23, 5,081.41 and 1,165.97 is: 1,749.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,387.23 : 5,081.41 = 1,165.97 : x
  2. Step 2: Convert to fraction form
    3,387.23/5,081.41 = 1,165.97/x
  3. Step 3: Cross multiply
    3,387.23x = 5,081.41 × 1,165.97
  4. Step 4: Simplify right side
    3,387.23x = 5,924,768.21
  5. Step 5: Solve for x
    x = 5,924,768.21/3,387.23
  6. Step 6: Final answer
    x = 1,749.15

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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.