Home / 3,786.87-5,676.96-1,476.75

Finding the Fourth Proportional to 3,786.87, 5,676.96 and 1,476.75

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Solution

The fourth proportional to 3,786.87, 5,676.96 and 1,476.75 is: 2,213.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,786.87 : 5,676.96 = 1,476.75 : x
  2. Step 2: Convert to fraction form
    3,786.87/5,676.96 = 1,476.75/x
  3. Step 3: Cross multiply
    3,786.87x = 5,676.96 × 1,476.75
  4. Step 4: Simplify right side
    3,786.87x = 8,383,450.68
  5. Step 5: Solve for x
    x = 8,383,450.68/3,786.87
  6. Step 6: Final answer
    x = 2,213.82

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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.