Home / 3,976.70-5,965.59-1,203.05

Finding the Fourth Proportional to 3,976.70, 5,965.59 and 1,203.05

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Solution

The fourth proportional to 3,976.70, 5,965.59 and 1,203.05 is: 1,804.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,976.70 : 5,965.59 = 1,203.05 : x
  2. Step 2: Convert to fraction form
    3,976.70/5,965.59 = 1,203.05/x
  3. Step 3: Cross multiply
    3,976.70x = 5,965.59 × 1,203.05
  4. Step 4: Simplify right side
    3,976.70x = 7,176,873.22
  5. Step 5: Solve for x
    x = 7,176,873.22/3,976.70
  6. Step 6: Final answer
    x = 1,804.73

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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.