Home / 3,821.43-5,732.15-1,356.11

Finding the Fourth Proportional to 3,821.43, 5,732.15 and 1,356.11

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Solution

The fourth proportional to 3,821.43, 5,732.15 and 1,356.11 is: 2,034.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,821.43 : 5,732.15 = 1,356.11 : x
  2. Step 2: Convert to fraction form
    3,821.43/5,732.15 = 1,356.11/x
  3. Step 3: Cross multiply
    3,821.43x = 5,732.15 × 1,356.11
  4. Step 4: Simplify right side
    3,821.43x = 7,773,425.94
  5. Step 5: Solve for x
    x = 7,773,425.94/3,821.43
  6. Step 6: Final answer
    x = 2,034.17

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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.