Home / 3,982.35-5,971.41-2,005.86

Finding the Fourth Proportional to 3,982.35, 5,971.41 and 2,005.86

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Solution

The fourth proportional to 3,982.35, 5,971.41 and 2,005.86 is: 3,007.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,982.35 : 5,971.41 = 2,005.86 : x
  2. Step 2: Convert to fraction form
    3,982.35/5,971.41 = 2,005.86/x
  3. Step 3: Cross multiply
    3,982.35x = 5,971.41 × 2,005.86
  4. Step 4: Simplify right side
    3,982.35x = 11,977,812.46
  5. Step 5: Solve for x
    x = 11,977,812.46/3,982.35
  6. Step 6: Final answer
    x = 3,007.72

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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.