Home / 3,821.13-5,732.70-1,224.13

Finding the Fourth Proportional to 3,821.13, 5,732.70 and 1,224.13

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Solution

The fourth proportional to 3,821.13, 5,732.70 and 1,224.13 is: 1,836.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,821.13 : 5,732.70 = 1,224.13 : x
  2. Step 2: Convert to fraction form
    3,821.13/5,732.70 = 1,224.13/x
  3. Step 3: Cross multiply
    3,821.13x = 5,732.70 × 1,224.13
  4. Step 4: Simplify right side
    3,821.13x = 7,017,570.05
  5. Step 5: Solve for x
    x = 7,017,570.05/3,821.13
  6. Step 6: Final answer
    x = 1,836.52

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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.