Home / 3,821.20-5,273.16-2,249.39

Finding the Fourth Proportional to 3,821.20, 5,273.16 and 2,249.39

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Solution

The fourth proportional to 3,821.20, 5,273.16 and 2,249.39 is: 3,104.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,821.20 : 5,273.16 = 2,249.39 : x
  2. Step 2: Convert to fraction form
    3,821.20/5,273.16 = 2,249.39/x
  3. Step 3: Cross multiply
    3,821.20x = 5,273.16 × 2,249.39
  4. Step 4: Simplify right side
    3,821.20x = 11,861,393.37
  5. Step 5: Solve for x
    x = 11,861,393.37/3,821.20
  6. Step 6: Final answer
    x = 3,104.10

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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.