Home / 1,824.06-2,735.96-727.73

Finding the Fourth Proportional to 1,824.06, 2,735.96 and 727.73

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Solution

The fourth proportional to 1,824.06, 2,735.96 and 727.73 is: 1,091.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,824.06 : 2,735.96 = 727.73 : x
  2. Step 2: Convert to fraction form
    1,824.06/2,735.96 = 727.73/x
  3. Step 3: Cross multiply
    1,824.06x = 2,735.96 × 727.73
  4. Step 4: Simplify right side
    1,824.06x = 1,991,022.85
  5. Step 5: Solve for x
    x = 1,991,022.85/1,824.06
  6. Step 6: Final answer
    x = 1,091.53

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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.