Home / 3,796.34-5,687.21-2,147.99

Finding the Fourth Proportional to 3,796.34, 5,687.21 and 2,147.99

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Solution

The fourth proportional to 3,796.34, 5,687.21 and 2,147.99 is: 3,217.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,796.34 : 5,687.21 = 2,147.99 : x
  2. Step 2: Convert to fraction form
    3,796.34/5,687.21 = 2,147.99/x
  3. Step 3: Cross multiply
    3,796.34x = 5,687.21 × 2,147.99
  4. Step 4: Simplify right side
    3,796.34x = 12,216,047.14
  5. Step 5: Solve for x
    x = 12,216,047.14/3,796.34
  6. Step 6: Final answer
    x = 3,217.85

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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.