Home / 2,849.56-4,268.66-1,872.70

Finding the Fourth Proportional to 2,849.56, 4,268.66 and 1,872.70

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Solution

The fourth proportional to 2,849.56, 4,268.66 and 1,872.70 is: 2,805.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,849.56 : 4,268.66 = 1,872.70 : x
  2. Step 2: Convert to fraction form
    2,849.56/4,268.66 = 1,872.70/x
  3. Step 3: Cross multiply
    2,849.56x = 4,268.66 × 1,872.70
  4. Step 4: Simplify right side
    2,849.56x = 7,993,919.58
  5. Step 5: Solve for x
    x = 7,993,919.58/2,849.56
  6. Step 6: Final answer
    x = 2,805.32

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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.