Home / 3,821.48-5,719.46-2,177.59

Finding the Fourth Proportional to 3,821.48, 5,719.46 and 2,177.59

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Solution

The fourth proportional to 3,821.48, 5,719.46 and 2,177.59 is: 3,259.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,821.48 : 5,719.46 = 2,177.59 : x
  2. Step 2: Convert to fraction form
    3,821.48/5,719.46 = 2,177.59/x
  3. Step 3: Cross multiply
    3,821.48x = 5,719.46 × 2,177.59
  4. Step 4: Simplify right side
    3,821.48x = 12,454,610.30
  5. Step 5: Solve for x
    x = 12,454,610.30/3,821.48
  6. Step 6: Final answer
    x = 3,259.11

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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.