Home / 3,911.67-5,859.94-2,175.03

Finding the Fourth Proportional to 3,911.67, 5,859.94 and 2,175.03

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Solution

The fourth proportional to 3,911.67, 5,859.94 and 2,175.03 is: 3,258.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,911.67 : 5,859.94 = 2,175.03 : x
  2. Step 2: Convert to fraction form
    3,911.67/5,859.94 = 2,175.03/x
  3. Step 3: Cross multiply
    3,911.67x = 5,859.94 × 2,175.03
  4. Step 4: Simplify right side
    3,911.67x = 12,745,505.12
  5. Step 5: Solve for x
    x = 12,745,505.12/3,911.67
  6. Step 6: Final answer
    x = 3,258.33

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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.