Home / 3,786.20-5,687.58-2,697.56

Finding the Fourth Proportional to 3,786.20, 5,687.58 and 2,697.56

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Solution

The fourth proportional to 3,786.20, 5,687.58 and 2,697.56 is: 4,052.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,786.20 : 5,687.58 = 2,697.56 : x
  2. Step 2: Convert to fraction form
    3,786.20/5,687.58 = 2,697.56/x
  3. Step 3: Cross multiply
    3,786.20x = 5,687.58 × 2,697.56
  4. Step 4: Simplify right side
    3,786.20x = 15,342,588.30
  5. Step 5: Solve for x
    x = 15,342,588.30/3,786.20
  6. Step 6: Final answer
    x = 4,052.24

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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.