Home / 1,268.26-1,759.16-1,234.56

Finding the Fourth Proportional to 1,268.26, 1,759.16 and 1,234.56

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Solution

The fourth proportional to 1,268.26, 1,759.16 and 1,234.56 is: 1,712.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,268.26 : 1,759.16 = 1,234.56 : x
  2. Step 2: Convert to fraction form
    1,268.26/1,759.16 = 1,234.56/x
  3. Step 3: Cross multiply
    1,268.26x = 1,759.16 × 1,234.56
  4. Step 4: Simplify right side
    1,268.26x = 2,171,788.57
  5. Step 5: Solve for x
    x = 2,171,788.57/1,268.26
  6. Step 6: Final answer
    x = 1,712.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.