Home / 3,991.26-5,987.56-1,799.94

Finding the Fourth Proportional to 3,991.26, 5,987.56 and 1,799.94

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Solution

The fourth proportional to 3,991.26, 5,987.56 and 1,799.94 is: 2,700.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,991.26 : 5,987.56 = 1,799.94 : x
  2. Step 2: Convert to fraction form
    3,991.26/5,987.56 = 1,799.94/x
  3. Step 3: Cross multiply
    3,991.26x = 5,987.56 × 1,799.94
  4. Step 4: Simplify right side
    3,991.26x = 10,777,248.75
  5. Step 5: Solve for x
    x = 10,777,248.75/3,991.26
  6. Step 6: Final answer
    x = 2,700.21

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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.