Home / 3,841.68-5,296.26-3,279.72

Finding the Fourth Proportional to 3,841.68, 5,296.26 and 3,279.72

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Solution

The fourth proportional to 3,841.68, 5,296.26 and 3,279.72 is: 4,521.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,841.68 : 5,296.26 = 3,279.72 : x
  2. Step 2: Convert to fraction form
    3,841.68/5,296.26 = 3,279.72/x
  3. Step 3: Cross multiply
    3,841.68x = 5,296.26 × 3,279.72
  4. Step 4: Simplify right side
    3,841.68x = 17,370,249.85
  5. Step 5: Solve for x
    x = 17,370,249.85/3,841.68
  6. Step 6: Final answer
    x = 4,521.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.