Home / 3,976.92-5,965.43-1,203.59

Finding the Fourth Proportional to 3,976.92, 5,965.43 and 1,203.59

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Solution

The fourth proportional to 3,976.92, 5,965.43 and 1,203.59 is: 1,805.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,976.92 : 5,965.43 = 1,203.59 : x
  2. Step 2: Convert to fraction form
    3,976.92/5,965.43 = 1,203.59/x
  3. Step 3: Cross multiply
    3,976.92x = 5,965.43 × 1,203.59
  4. Step 4: Simplify right side
    3,976.92x = 7,179,940.79
  5. Step 5: Solve for x
    x = 7,179,940.79/3,976.92
  6. Step 6: Final answer
    x = 1,805.40

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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.