Home / 3,847.93-5,771.89-1,998.09

Finding the Fourth Proportional to 3,847.93, 5,771.89 and 1,998.09

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Solution

The fourth proportional to 3,847.93, 5,771.89 and 1,998.09 is: 2,997.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,847.93 : 5,771.89 = 1,998.09 : x
  2. Step 2: Convert to fraction form
    3,847.93/5,771.89 = 1,998.09/x
  3. Step 3: Cross multiply
    3,847.93x = 5,771.89 × 1,998.09
  4. Step 4: Simplify right side
    3,847.93x = 11,532,755.69
  5. Step 5: Solve for x
    x = 11,532,755.69/3,847.93
  6. Step 6: Final answer
    x = 2,997.13

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1.5x scale

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.