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Finding the Fourth Proportional to 2,650.01, 3,971.70 and 1,676.39

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Solution

The fourth proportional to 2,650.01, 3,971.70 and 1,676.39 is: 2,512.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,650.01 : 3,971.70 = 1,676.39 : x
  2. Step 2: Convert to fraction form
    2,650.01/3,971.70 = 1,676.39/x
  3. Step 3: Cross multiply
    2,650.01x = 3,971.70 × 1,676.39
  4. Step 4: Simplify right side
    2,650.01x = 6,658,098.30
  5. Step 5: Solve for x
    x = 6,658,098.30/2,650.01
  6. Step 6: Final answer
    x = 2,512.49

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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.