Home / 2,550.75-3,825.95-1,251.75

Finding the Fourth Proportional to 2,550.75, 3,825.95 and 1,251.75

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Solution

The fourth proportional to 2,550.75, 3,825.95 and 1,251.75 is: 1,877.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,550.75 : 3,825.95 = 1,251.75 : x
  2. Step 2: Convert to fraction form
    2,550.75/3,825.95 = 1,251.75/x
  3. Step 3: Cross multiply
    2,550.75x = 3,825.95 × 1,251.75
  4. Step 4: Simplify right side
    2,550.75x = 4,789,126.65
  5. Step 5: Solve for x
    x = 4,789,126.65/2,550.75
  6. Step 6: Final answer
    x = 1,877.54

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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.