Home / 3,972.60-5,955.66-2,676.60

Finding the Fourth Proportional to 3,972.60, 5,955.66 and 2,676.60

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Solution

The fourth proportional to 3,972.60, 5,955.66 and 2,676.60 is: 4,012.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,972.60 : 5,955.66 = 2,676.60 : x
  2. Step 2: Convert to fraction form
    3,972.60/5,955.66 = 2,676.60/x
  3. Step 3: Cross multiply
    3,972.60x = 5,955.66 × 2,676.60
  4. Step 4: Simplify right side
    3,972.60x = 15,940,919.56
  5. Step 5: Solve for x
    x = 15,940,919.56/3,972.60
  6. Step 6: Final answer
    x = 4,012.72

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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.