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Finding the Fourth Proportional to 3,976.71, 5,965.63 and 1,203.06

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Solution

The fourth proportional to 3,976.71, 5,965.63 and 1,203.06 is: 1,804.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,976.71 : 5,965.63 = 1,203.06 : x
  2. Step 2: Convert to fraction form
    3,976.71/5,965.63 = 1,203.06/x
  3. Step 3: Cross multiply
    3,976.71x = 5,965.63 × 1,203.06
  4. Step 4: Simplify right side
    3,976.71x = 7,177,010.83
  5. Step 5: Solve for x
    x = 7,177,010.83/3,976.71
  6. Step 6: Final answer
    x = 1,804.76

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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.