Home / 3,398.91-5,091.44-2,079.53

Finding the Fourth Proportional to 3,398.91, 5,091.44 and 2,079.53

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Solution

The fourth proportional to 3,398.91, 5,091.44 and 2,079.53 is: 3,115.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,398.91 : 5,091.44 = 2,079.53 : x
  2. Step 2: Convert to fraction form
    3,398.91/5,091.44 = 2,079.53/x
  3. Step 3: Cross multiply
    3,398.91x = 5,091.44 × 2,079.53
  4. Step 4: Simplify right side
    3,398.91x = 10,587,796.35
  5. Step 5: Solve for x
    x = 10,587,796.35/3,398.91
  6. Step 6: Final answer
    x = 3,115.06

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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.