Home / 3,965.75-5,949.47-1,192.19

Finding the Fourth Proportional to 3,965.75, 5,949.47 and 1,192.19

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Solution

The fourth proportional to 3,965.75, 5,949.47 and 1,192.19 is: 1,788.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,965.75 : 5,949.47 = 1,192.19 : x
  2. Step 2: Convert to fraction form
    3,965.75/5,949.47 = 1,192.19/x
  3. Step 3: Cross multiply
    3,965.75x = 5,949.47 × 1,192.19
  4. Step 4: Simplify right side
    3,965.75x = 7,092,894.18
  5. Step 5: Solve for x
    x = 7,092,894.18/3,965.75
  6. Step 6: Final answer
    x = 1,788.54

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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.