Home / 2,559.97-3,839.82-1,261

Finding the Fourth Proportional to 2,559.97, 3,839.82 and 1,261

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Solution

The fourth proportional to 2,559.97, 3,839.82 and 1,261 is: 1,891.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,559.97 : 3,839.82 = 1,261 : x
  2. Step 2: Convert to fraction form
    2,559.97/3,839.82 = 1,261/x
  3. Step 3: Cross multiply
    2,559.97x = 3,839.82 × 1,261
  4. Step 4: Simplify right side
    2,559.97x = 4,842,013.02
  5. Step 5: Solve for x
    x = 4,842,013.02/2,559.97
  6. Step 6: Final answer
    x = 1,891.43

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.