Home / 1,839.50-2,759.71-540.97

Finding the Fourth Proportional to 1,839.50, 2,759.71 and 540.97

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Solution

The fourth proportional to 1,839.50, 2,759.71 and 540.97 is: 811.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,839.50 : 2,759.71 = 540.97 : x
  2. Step 2: Convert to fraction form
    1,839.50/2,759.71 = 540.97/x
  3. Step 3: Cross multiply
    1,839.50x = 2,759.71 × 540.97
  4. Step 4: Simplify right side
    1,839.50x = 1,492,912.07
  5. Step 5: Solve for x
    x = 1,492,912.07/1,839.50
  6. Step 6: Final answer
    x = 811.59

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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.