Home / 3,975-5,963.13-1,201.34

Finding the Fourth Proportional to 3,975, 5,963.13 and 1,201.34

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Solution

The fourth proportional to 3,975, 5,963.13 and 1,201.34 is: 1,802.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,975 : 5,963.13 = 1,201.34 : x
  2. Step 2: Convert to fraction form
    3,975/5,963.13 = 1,201.34/x
  3. Step 3: Cross multiply
    3,975x = 5,963.13 × 1,201.34
  4. Step 4: Simplify right side
    3,975x = 7,163,716.78
  5. Step 5: Solve for x
    x = 7,163,716.78/3,975
  6. Step 6: Final answer
    x = 1,802.19

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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.