Home / 3,976.40-5,965.29-1,343.93

Finding the Fourth Proportional to 3,976.40, 5,965.29 and 1,343.93

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Solution

The fourth proportional to 3,976.40, 5,965.29 and 1,343.93 is: 2,016.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,976.40 : 5,965.29 = 1,343.93 : x
  2. Step 2: Convert to fraction form
    3,976.40/5,965.29 = 1,343.93/x
  3. Step 3: Cross multiply
    3,976.40x = 5,965.29 × 1,343.93
  4. Step 4: Simplify right side
    3,976.40x = 8,016,932.19
  5. Step 5: Solve for x
    x = 8,016,932.19/3,976.40
  6. Step 6: Final answer
    x = 2,016.13

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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.