Home / 3,821.88-5,732.82-1,513.38

Finding the Fourth Proportional to 3,821.88, 5,732.82 and 1,513.38

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Solution

The fourth proportional to 3,821.88, 5,732.82 and 1,513.38 is: 2,270.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,821.88 : 5,732.82 = 1,513.38 : x
  2. Step 2: Convert to fraction form
    3,821.88/5,732.82 = 1,513.38/x
  3. Step 3: Cross multiply
    3,821.88x = 5,732.82 × 1,513.38
  4. Step 4: Simplify right side
    3,821.88x = 8,675,935.13
  5. Step 5: Solve for x
    x = 8,675,935.13/3,821.88
  6. Step 6: Final answer
    x = 2,270.07

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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.