Home / 2,722.14-3,755.92-1,659.60

Finding the Fourth Proportional to 2,722.14, 3,755.92 and 1,659.60

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Solution

The fourth proportional to 2,722.14, 3,755.92 and 1,659.60 is: 2,289.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,722.14 : 3,755.92 = 1,659.60 : x
  2. Step 2: Convert to fraction form
    2,722.14/3,755.92 = 1,659.60/x
  3. Step 3: Cross multiply
    2,722.14x = 3,755.92 × 1,659.60
  4. Step 4: Simplify right side
    2,722.14x = 6,233,324.83
  5. Step 5: Solve for x
    x = 6,233,324.83/2,722.14
  6. Step 6: Final answer
    x = 2,289.86

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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.