Home / 3,620.33-5,422.11-3,087.45

Finding the Fourth Proportional to 3,620.33, 5,422.11 and 3,087.45

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Solution

The fourth proportional to 3,620.33, 5,422.11 and 3,087.45 is: 4,624.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,620.33 : 5,422.11 = 3,087.45 : x
  2. Step 2: Convert to fraction form
    3,620.33/5,422.11 = 3,087.45/x
  3. Step 3: Cross multiply
    3,620.33x = 5,422.11 × 3,087.45
  4. Step 4: Simplify right side
    3,620.33x = 16,740,481.94
  5. Step 5: Solve for x
    x = 16,740,481.94/3,620.33
  6. Step 6: Final answer
    x = 4,624.02

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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.