Home / 3,104.48-4,279.20-2,850.14

Finding the Fourth Proportional to 3,104.48, 4,279.20 and 2,850.14

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Solution

The fourth proportional to 3,104.48, 4,279.20 and 2,850.14 is: 3,928.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,104.48 : 4,279.20 = 2,850.14 : x
  2. Step 2: Convert to fraction form
    3,104.48/4,279.20 = 2,850.14/x
  3. Step 3: Cross multiply
    3,104.48x = 4,279.20 × 2,850.14
  4. Step 4: Simplify right side
    3,104.48x = 12,196,319.09
  5. Step 5: Solve for x
    x = 12,196,319.09/3,104.48
  6. Step 6: Final answer
    x = 3,928.62

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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.