Home / 3,996.23-5,993.13-1,398.56

Finding the Fourth Proportional to 3,996.23, 5,993.13 and 1,398.56

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Solution

The fourth proportional to 3,996.23, 5,993.13 and 1,398.56 is: 2,097.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,996.23 : 5,993.13 = 1,398.56 : x
  2. Step 2: Convert to fraction form
    3,996.23/5,993.13 = 1,398.56/x
  3. Step 3: Cross multiply
    3,996.23x = 5,993.13 × 1,398.56
  4. Step 4: Simplify right side
    3,996.23x = 8,381,766.88
  5. Step 5: Solve for x
    x = 8,381,766.88/3,996.23
  6. Step 6: Final answer
    x = 2,097.42

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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.