Home / 2,194.75-3,292.26-1,268.38

Finding the Fourth Proportional to 2,194.75, 3,292.26 and 1,268.38

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Solution

The fourth proportional to 2,194.75, 3,292.26 and 1,268.38 is: 1,902.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,194.75 : 3,292.26 = 1,268.38 : x
  2. Step 2: Convert to fraction form
    2,194.75/3,292.26 = 1,268.38/x
  3. Step 3: Cross multiply
    2,194.75x = 3,292.26 × 1,268.38
  4. Step 4: Simplify right side
    2,194.75x = 4,175,836.74
  5. Step 5: Solve for x
    x = 4,175,836.74/2,194.75
  6. Step 6: Final answer
    x = 1,902.65

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1.5x scale

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.