Home / 2,839.50-3,915.99-1,843.83

Finding the Fourth Proportional to 2,839.50, 3,915.99 and 1,843.83

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Solution

The fourth proportional to 2,839.50, 3,915.99 and 1,843.83 is: 2,542.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,839.50 : 3,915.99 = 1,843.83 : x
  2. Step 2: Convert to fraction form
    2,839.50/3,915.99 = 1,843.83/x
  3. Step 3: Cross multiply
    2,839.50x = 3,915.99 × 1,843.83
  4. Step 4: Simplify right side
    2,839.50x = 7,220,419.84
  5. Step 5: Solve for x
    x = 7,220,419.84/2,839.50
  6. Step 6: Final answer
    x = 2,542.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.