Home / 3,906.60-5,855.81-2,810.37

Finding the Fourth Proportional to 3,906.60, 5,855.81 and 2,810.37

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Solution

The fourth proportional to 3,906.60, 5,855.81 and 2,810.37 is: 4,212.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,906.60 : 5,855.81 = 2,810.37 : x
  2. Step 2: Convert to fraction form
    3,906.60/5,855.81 = 2,810.37/x
  3. Step 3: Cross multiply
    3,906.60x = 5,855.81 × 2,810.37
  4. Step 4: Simplify right side
    3,906.60x = 16,456,988.14
  5. Step 5: Solve for x
    x = 16,456,988.14/3,906.60
  6. Step 6: Final answer
    x = 4,212.61

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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.