Home / 3,818.25-5,727.38-1,082.25

Finding the Fourth Proportional to 3,818.25, 5,727.38 and 1,082.25

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Solution

The fourth proportional to 3,818.25, 5,727.38 and 1,082.25 is: 1,623.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,818.25 : 5,727.38 = 1,082.25 : x
  2. Step 2: Convert to fraction form
    3,818.25/5,727.38 = 1,082.25/x
  3. Step 3: Cross multiply
    3,818.25x = 5,727.38 × 1,082.25
  4. Step 4: Simplify right side
    3,818.25x = 6,198,451.59
  5. Step 5: Solve for x
    x = 6,198,451.59/3,818.25
  6. Step 6: Final answer
    x = 1,623.38

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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.