Home / 1,185.20-1,777.82-1,183.50

Finding the Fourth Proportional to 1,185.20, 1,777.82 and 1,183.50

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Solution

The fourth proportional to 1,185.20, 1,777.82 and 1,183.50 is: 1,775.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185.20 : 1,777.82 = 1,183.50 : x
  2. Step 2: Convert to fraction form
    1,185.20/1,777.82 = 1,183.50/x
  3. Step 3: Cross multiply
    1,185.20x = 1,777.82 × 1,183.50
  4. Step 4: Simplify right side
    1,185.20x = 2,104,049.97
  5. Step 5: Solve for x
    x = 2,104,049.97/1,185.20
  6. Step 6: Final answer
    x = 1,775.27

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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.