Home / 3,821.97-5,731.07-1,356.42

Finding the Fourth Proportional to 3,821.97, 5,731.07 and 1,356.42

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Solution

The fourth proportional to 3,821.97, 5,731.07 and 1,356.42 is: 2,033.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,821.97 : 5,731.07 = 1,356.42 : x
  2. Step 2: Convert to fraction form
    3,821.97/5,731.07 = 1,356.42/x
  3. Step 3: Cross multiply
    3,821.97x = 5,731.07 × 1,356.42
  4. Step 4: Simplify right side
    3,821.97x = 7,773,731.19
  5. Step 5: Solve for x
    x = 7,773,731.19/3,821.97
  6. Step 6: Final answer
    x = 2,033.96

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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.