Home / 3,821.29-5,731.83-1,224.19

Finding the Fourth Proportional to 3,821.29, 5,731.83 and 1,224.19

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Solution

The fourth proportional to 3,821.29, 5,731.83 and 1,224.19 is: 1,836.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,821.29 : 5,731.83 = 1,224.19 : x
  2. Step 2: Convert to fraction form
    3,821.29/5,731.83 = 1,224.19/x
  3. Step 3: Cross multiply
    3,821.29x = 5,731.83 × 1,224.19
  4. Step 4: Simplify right side
    3,821.29x = 7,016,848.97
  5. Step 5: Solve for x
    x = 7,016,848.97/3,821.29
  6. Step 6: Final answer
    x = 1,836.25

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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.