Home / 3,645.94-5,469.09-1,180.96

Finding the Fourth Proportional to 3,645.94, 5,469.09 and 1,180.96

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Solution

The fourth proportional to 3,645.94, 5,469.09 and 1,180.96 is: 1,771.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,645.94 : 5,469.09 = 1,180.96 : x
  2. Step 2: Convert to fraction form
    3,645.94/5,469.09 = 1,180.96/x
  3. Step 3: Cross multiply
    3,645.94x = 5,469.09 × 1,180.96
  4. Step 4: Simplify right side
    3,645.94x = 6,458,749.18
  5. Step 5: Solve for x
    x = 6,458,749.18/3,645.94
  6. Step 6: Final answer
    x = 1,771.49

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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.