Home / 2,759.50-4,139.45-1,028.13

Finding the Fourth Proportional to 2,759.50, 4,139.45 and 1,028.13

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Solution

The fourth proportional to 2,759.50, 4,139.45 and 1,028.13 is: 1,542.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,759.50 : 4,139.45 = 1,028.13 : x
  2. Step 2: Convert to fraction form
    2,759.50/4,139.45 = 1,028.13/x
  3. Step 3: Cross multiply
    2,759.50x = 4,139.45 × 1,028.13
  4. Step 4: Simplify right side
    2,759.50x = 4,255,892.73
  5. Step 5: Solve for x
    x = 4,255,892.73/2,759.50
  6. Step 6: Final answer
    x = 1,542.27

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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.