Home / 2,169.18-3,254.25-1,194.78

Finding the Fourth Proportional to 2,169.18, 3,254.25 and 1,194.78

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Solution

The fourth proportional to 2,169.18, 3,254.25 and 1,194.78 is: 1,792.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,169.18 : 3,254.25 = 1,194.78 : x
  2. Step 2: Convert to fraction form
    2,169.18/3,254.25 = 1,194.78/x
  3. Step 3: Cross multiply
    2,169.18x = 3,254.25 × 1,194.78
  4. Step 4: Simplify right side
    2,169.18x = 3,888,112.82
  5. Step 5: Solve for x
    x = 3,888,112.82/2,169.18
  6. Step 6: Final answer
    x = 1,792.43

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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.