Home / 3,771.22-5,204.49-2,279.13

Finding the Fourth Proportional to 3,771.22, 5,204.49 and 2,279.13

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Solution

The fourth proportional to 3,771.22, 5,204.49 and 2,279.13 is: 3,145.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,771.22 : 5,204.49 = 2,279.13 : x
  2. Step 2: Convert to fraction form
    3,771.22/5,204.49 = 2,279.13/x
  3. Step 3: Cross multiply
    3,771.22x = 5,204.49 × 2,279.13
  4. Step 4: Simplify right side
    3,771.22x = 11,861,709.29
  5. Step 5: Solve for x
    x = 11,861,709.29/3,771.22
  6. Step 6: Final answer
    x = 3,145.32

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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.