Home / 3,449.07-5,162.40-2,279.97

Finding the Fourth Proportional to 3,449.07, 5,162.40 and 2,279.97

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Solution

The fourth proportional to 3,449.07, 5,162.40 and 2,279.97 is: 3,412.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,449.07 : 5,162.40 = 2,279.97 : x
  2. Step 2: Convert to fraction form
    3,449.07/5,162.40 = 2,279.97/x
  3. Step 3: Cross multiply
    3,449.07x = 5,162.40 × 2,279.97
  4. Step 4: Simplify right side
    3,449.07x = 11,770,117.13
  5. Step 5: Solve for x
    x = 11,770,117.13/3,449.07
  6. Step 6: Final answer
    x = 3,412.55

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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.