Home / 3,821.29-5,731.95-1,356.19

Finding the Fourth Proportional to 3,821.29, 5,731.95 and 1,356.19

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Solution

The fourth proportional to 3,821.29, 5,731.95 and 1,356.19 is: 2,034.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,821.29 : 5,731.95 = 1,356.19 : x
  2. Step 2: Convert to fraction form
    3,821.29/5,731.95 = 1,356.19/x
  3. Step 3: Cross multiply
    3,821.29x = 5,731.95 × 1,356.19
  4. Step 4: Simplify right side
    3,821.29x = 7,773,613.27
  5. Step 5: Solve for x
    x = 7,773,613.27/3,821.29
  6. Step 6: Final answer
    x = 2,034.29

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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.