Home / 3,984.03-5,974.70-1,791.56

Finding the Fourth Proportional to 3,984.03, 5,974.70 and 1,791.56

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Solution

The fourth proportional to 3,984.03, 5,974.70 and 1,791.56 is: 2,686.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,984.03 : 5,974.70 = 1,791.56 : x
  2. Step 2: Convert to fraction form
    3,984.03/5,974.70 = 1,791.56/x
  3. Step 3: Cross multiply
    3,984.03x = 5,974.70 × 1,791.56
  4. Step 4: Simplify right side
    3,984.03x = 10,704,039.51
  5. Step 5: Solve for x
    x = 10,704,039.51/3,984.03
  6. Step 6: Final answer
    x = 2,686.74

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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.