Home / 3,993.17-5,982.66-2,142.32

Finding the Fourth Proportional to 3,993.17, 5,982.66 and 2,142.32

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Solution

The fourth proportional to 3,993.17, 5,982.66 and 2,142.32 is: 3,209.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,993.17 : 5,982.66 = 2,142.32 : x
  2. Step 2: Convert to fraction form
    3,993.17/5,982.66 = 2,142.32/x
  3. Step 3: Cross multiply
    3,993.17x = 5,982.66 × 2,142.32
  4. Step 4: Simplify right side
    3,993.17x = 12,816,742.26
  5. Step 5: Solve for x
    x = 12,816,742.26/3,993.17
  6. Step 6: Final answer
    x = 3,209.67

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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.