Home / 3,695.56-5,540.39-2,133.79

Finding the Fourth Proportional to 3,695.56, 5,540.39 and 2,133.79

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Solution

The fourth proportional to 3,695.56, 5,540.39 and 2,133.79 is: 3,198.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,695.56 : 5,540.39 = 2,133.79 : x
  2. Step 2: Convert to fraction form
    3,695.56/5,540.39 = 2,133.79/x
  3. Step 3: Cross multiply
    3,695.56x = 5,540.39 × 2,133.79
  4. Step 4: Simplify right side
    3,695.56x = 11,822,014.26
  5. Step 5: Solve for x
    x = 11,822,014.26/3,695.56
  6. Step 6: Final answer
    x = 3,198.98

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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.