Home / 3,771.24-5,204.52-2,279.14

Finding the Fourth Proportional to 3,771.24, 5,204.52 and 2,279.14

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Solution

The fourth proportional to 3,771.24, 5,204.52 and 2,279.14 is: 3,145.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,771.24 : 5,204.52 = 2,279.14 : x
  2. Step 2: Convert to fraction form
    3,771.24/5,204.52 = 2,279.14/x
  3. Step 3: Cross multiply
    3,771.24x = 5,204.52 × 2,279.14
  4. Step 4: Simplify right side
    3,771.24x = 11,861,829.71
  5. Step 5: Solve for x
    x = 11,861,829.71/3,771.24
  6. Step 6: Final answer
    x = 3,145.34

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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.