Home / 3,684.00-5,517.21-2,119.28

Finding the Fourth Proportional to 3,684.00, 5,517.21 and 2,119.28

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Solution

The fourth proportional to 3,684.00, 5,517.21 and 2,119.28 is: 3,173.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,684.00 : 5,517.21 = 2,119.28 : x
  2. Step 2: Convert to fraction form
    3,684.00/5,517.21 = 2,119.28/x
  3. Step 3: Cross multiply
    3,684.00x = 5,517.21 × 2,119.28
  4. Step 4: Simplify right side
    3,684.00x = 11,692,524.20
  5. Step 5: Solve for x
    x = 11,692,524.20/3,684.00
  6. Step 6: Final answer
    x = 3,173.87

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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.