Home / 2,177.89-3,005.45-1,183.16

Finding the Fourth Proportional to 2,177.89, 3,005.45 and 1,183.16

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Solution

The fourth proportional to 2,177.89, 3,005.45 and 1,183.16 is: 1,632.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,177.89 : 3,005.45 = 1,183.16 : x
  2. Step 2: Convert to fraction form
    2,177.89/3,005.45 = 1,183.16/x
  3. Step 3: Cross multiply
    2,177.89x = 3,005.45 × 1,183.16
  4. Step 4: Simplify right side
    2,177.89x = 3,555,907.28
  5. Step 5: Solve for x
    x = 3,555,907.28/2,177.89
  6. Step 6: Final answer
    x = 1,632.73

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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.