Home / 3,199.69-4,414.87-1,872.78

Finding the Fourth Proportional to 3,199.69, 4,414.87 and 1,872.78

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Solution

The fourth proportional to 3,199.69, 4,414.87 and 1,872.78 is: 2,584.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,199.69 : 4,414.87 = 1,872.78 : x
  2. Step 2: Convert to fraction form
    3,199.69/4,414.87 = 1,872.78/x
  3. Step 3: Cross multiply
    3,199.69x = 4,414.87 × 1,872.78
  4. Step 4: Simplify right side
    3,199.69x = 8,268,080.24
  5. Step 5: Solve for x
    x = 8,268,080.24/3,199.69
  6. Step 6: Final answer
    x = 2,584.03

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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.