Home / 3,975.62-5,965.34-1,637.33

Finding the Fourth Proportional to 3,975.62, 5,965.34 and 1,637.33

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Solution

The fourth proportional to 3,975.62, 5,965.34 and 1,637.33 is: 2,456.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,975.62 : 5,965.34 = 1,637.33 : x
  2. Step 2: Convert to fraction form
    3,975.62/5,965.34 = 1,637.33/x
  3. Step 3: Cross multiply
    3,975.62x = 5,965.34 × 1,637.33
  4. Step 4: Simplify right side
    3,975.62x = 9,767,192.13
  5. Step 5: Solve for x
    x = 9,767,192.13/3,975.62
  6. Step 6: Final answer
    x = 2,456.78

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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.