Home / 3,199.19-4,414.95-1,872.90

Finding the Fourth Proportional to 3,199.19, 4,414.95 and 1,872.90

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Solution

The fourth proportional to 3,199.19, 4,414.95 and 1,872.90 is: 2,584.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,199.19 : 4,414.95 = 1,872.90 : x
  2. Step 2: Convert to fraction form
    3,199.19/4,414.95 = 1,872.90/x
  3. Step 3: Cross multiply
    3,199.19x = 4,414.95 × 1,872.90
  4. Step 4: Simplify right side
    3,199.19x = 8,268,759.86
  5. Step 5: Solve for x
    x = 8,268,759.86/3,199.19
  6. Step 6: Final answer
    x = 2,584.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.