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Finding the Fourth Proportional to 3,975.90, 5,960.07 and 2,000.22

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Solution

The fourth proportional to 3,975.90, 5,960.07 and 2,000.22 is: 2,998.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,975.90 : 5,960.07 = 2,000.22 : x
  2. Step 2: Convert to fraction form
    3,975.90/5,960.07 = 2,000.22/x
  3. Step 3: Cross multiply
    3,975.90x = 5,960.07 × 2,000.22
  4. Step 4: Simplify right side
    3,975.90x = 11,921,451.22
  5. Step 5: Solve for x
    x = 11,921,451.22/3,975.90
  6. Step 6: Final answer
    x = 2,998.43

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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.