Home / 3,850.89-5,772.84-1,999.84

Finding the Fourth Proportional to 3,850.89, 5,772.84 and 1,999.84

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Solution

The fourth proportional to 3,850.89, 5,772.84 and 1,999.84 is: 2,997.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,850.89 : 5,772.84 = 1,999.84 : x
  2. Step 2: Convert to fraction form
    3,850.89/5,772.84 = 1,999.84/x
  3. Step 3: Cross multiply
    3,850.89x = 5,772.84 × 1,999.84
  4. Step 4: Simplify right side
    3,850.89x = 11,544,756.35
  5. Step 5: Solve for x
    x = 11,544,756.35/3,850.89
  6. Step 6: Final answer
    x = 2,997.94

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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.