Home / 3,820.14-5,728.42-1,481.26

Finding the Fourth Proportional to 3,820.14, 5,728.42 and 1,481.26

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Solution

The fourth proportional to 3,820.14, 5,728.42 and 1,481.26 is: 2,221.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,820.14 : 5,728.42 = 1,481.26 : x
  2. Step 2: Convert to fraction form
    3,820.14/5,728.42 = 1,481.26/x
  3. Step 3: Cross multiply
    3,820.14x = 5,728.42 × 1,481.26
  4. Step 4: Simplify right side
    3,820.14x = 8,485,279.41
  5. Step 5: Solve for x
    x = 8,485,279.41/3,820.14
  6. Step 6: Final answer
    x = 2,221.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.