Home / 3,456.54-5,185.62-1,996.11

Finding the Fourth Proportional to 3,456.54, 5,185.62 and 1,996.11

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Solution

The fourth proportional to 3,456.54, 5,185.62 and 1,996.11 is: 2,994.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,456.54 : 5,185.62 = 1,996.11 : x
  2. Step 2: Convert to fraction form
    3,456.54/5,185.62 = 1,996.11/x
  3. Step 3: Cross multiply
    3,456.54x = 5,185.62 × 1,996.11
  4. Step 4: Simplify right side
    3,456.54x = 10,351,067.94
  5. Step 5: Solve for x
    x = 10,351,067.94/3,456.54
  6. Step 6: Final answer
    x = 2,994.63

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1.5x scale

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.