Home / 2,722.35-3,755.84-1,659.75

Finding the Fourth Proportional to 2,722.35, 3,755.84 and 1,659.75

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Solution

The fourth proportional to 2,722.35, 3,755.84 and 1,659.75 is: 2,289.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,722.35 : 3,755.84 = 1,659.75 : x
  2. Step 2: Convert to fraction form
    2,722.35/3,755.84 = 1,659.75/x
  3. Step 3: Cross multiply
    2,722.35x = 3,755.84 × 1,659.75
  4. Step 4: Simplify right side
    2,722.35x = 6,233,766.90
  5. Step 5: Solve for x
    x = 6,233,766.90/2,722.35
  6. Step 6: Final answer
    x = 2,289.85

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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.