Home / 3,821.31-5,732.24-1,224.09

Finding the Fourth Proportional to 3,821.31, 5,732.24 and 1,224.09

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Solution

The fourth proportional to 3,821.31, 5,732.24 and 1,224.09 is: 1,836.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,821.31 : 5,732.24 = 1,224.09 : x
  2. Step 2: Convert to fraction form
    3,821.31/5,732.24 = 1,224.09/x
  3. Step 3: Cross multiply
    3,821.31x = 5,732.24 × 1,224.09
  4. Step 4: Simplify right side
    3,821.31x = 7,016,771.54
  5. Step 5: Solve for x
    x = 7,016,771.54/3,821.31
  6. Step 6: Final answer
    x = 1,836.22

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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.