Home / 2,641.33-3,961.99-1,082.06

Finding the Fourth Proportional to 2,641.33, 3,961.99 and 1,082.06

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Solution

The fourth proportional to 2,641.33, 3,961.99 and 1,082.06 is: 1,623.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,641.33 : 3,961.99 = 1,082.06 : x
  2. Step 2: Convert to fraction form
    2,641.33/3,961.99 = 1,082.06/x
  3. Step 3: Cross multiply
    2,641.33x = 3,961.99 × 1,082.06
  4. Step 4: Simplify right side
    2,641.33x = 4,287,110.90
  5. Step 5: Solve for x
    x = 4,287,110.90/2,641.33
  6. Step 6: Final answer
    x = 1,623.09

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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.