Home / 3,381.72-5,073.31-1,996.09

Finding the Fourth Proportional to 3,381.72, 5,073.31 and 1,996.09

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Solution

The fourth proportional to 3,381.72, 5,073.31 and 1,996.09 is: 2,994.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,381.72 : 5,073.31 = 1,996.09 : x
  2. Step 2: Convert to fraction form
    3,381.72/5,073.31 = 1,996.09/x
  3. Step 3: Cross multiply
    3,381.72x = 5,073.31 × 1,996.09
  4. Step 4: Simplify right side
    3,381.72x = 10,126,796.09
  5. Step 5: Solve for x
    x = 10,126,796.09/3,381.72
  6. Step 6: Final answer
    x = 2,994.57

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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.