Home / 3,993.14-5,989.73-1,394.25

Finding the Fourth Proportional to 3,993.14, 5,989.73 and 1,394.25

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Solution

The fourth proportional to 3,993.14, 5,989.73 and 1,394.25 is: 2,091.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,993.14 : 5,989.73 = 1,394.25 : x
  2. Step 2: Convert to fraction form
    3,993.14/5,989.73 = 1,394.25/x
  3. Step 3: Cross multiply
    3,993.14x = 5,989.73 × 1,394.25
  4. Step 4: Simplify right side
    3,993.14x = 8,351,174.08
  5. Step 5: Solve for x
    x = 8,351,174.08/3,993.14
  6. Step 6: Final answer
    x = 2,091.38

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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.