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Finding the Fourth Proportional to 3,672.67, 5,061.66 and 2,676.37

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Solution

The fourth proportional to 3,672.67, 5,061.66 and 2,676.37 is: 3,688.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,672.67 : 5,061.66 = 2,676.37 : x
  2. Step 2: Convert to fraction form
    3,672.67/5,061.66 = 2,676.37/x
  3. Step 3: Cross multiply
    3,672.67x = 5,061.66 × 2,676.37
  4. Step 4: Simplify right side
    3,672.67x = 13,546,874.97
  5. Step 5: Solve for x
    x = 13,546,874.97/3,672.67
  6. Step 6: Final answer
    x = 3,688.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.