Home / 3,646.38-5,469.09-1,180.95

Finding the Fourth Proportional to 3,646.38, 5,469.09 and 1,180.95

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Solution

The fourth proportional to 3,646.38, 5,469.09 and 1,180.95 is: 1,771.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,646.38 : 5,469.09 = 1,180.95 : x
  2. Step 2: Convert to fraction form
    3,646.38/5,469.09 = 1,180.95/x
  3. Step 3: Cross multiply
    3,646.38x = 5,469.09 × 1,180.95
  4. Step 4: Simplify right side
    3,646.38x = 6,458,721.84
  5. Step 5: Solve for x
    x = 6,458,721.84/3,646.38
  6. Step 6: Final answer
    x = 1,771.27

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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.