Home / 2,723.61-4,085.42-2,179.25

Finding the Fourth Proportional to 2,723.61, 4,085.42 and 2,179.25

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Solution

The fourth proportional to 2,723.61, 4,085.42 and 2,179.25 is: 3,268.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,723.61 : 4,085.42 = 2,179.25 : x
  2. Step 2: Convert to fraction form
    2,723.61/4,085.42 = 2,179.25/x
  3. Step 3: Cross multiply
    2,723.61x = 4,085.42 × 2,179.25
  4. Step 4: Simplify right side
    2,723.61x = 8,903,150.85
  5. Step 5: Solve for x
    x = 8,903,150.85/2,723.61
  6. Step 6: Final answer
    x = 3,268.88

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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.