Home / 3,849.32-5,771.66-1,871.04

Finding the Fourth Proportional to 3,849.32, 5,771.66 and 1,871.04

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Solution

The fourth proportional to 3,849.32, 5,771.66 and 1,871.04 is: 2,805.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,849.32 : 5,771.66 = 1,871.04 : x
  2. Step 2: Convert to fraction form
    3,849.32/5,771.66 = 1,871.04/x
  3. Step 3: Cross multiply
    3,849.32x = 5,771.66 × 1,871.04
  4. Step 4: Simplify right side
    3,849.32x = 10,798,997.37
  5. Step 5: Solve for x
    x = 10,798,997.37/3,849.32
  6. Step 6: Final answer
    x = 2,805.43

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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.