Home / 1,965.23-2,723.71-1,928.33

Finding the Fourth Proportional to 1,965.23, 2,723.71 and 1,928.33

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Solution

The fourth proportional to 1,965.23, 2,723.71 and 1,928.33 is: 2,672.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,965.23 : 2,723.71 = 1,928.33 : x
  2. Step 2: Convert to fraction form
    1,965.23/2,723.71 = 1,928.33/x
  3. Step 3: Cross multiply
    1,965.23x = 2,723.71 × 1,928.33
  4. Step 4: Simplify right side
    1,965.23x = 5,252,202.07
  5. Step 5: Solve for x
    x = 5,252,202.07/1,965.23
  6. Step 6: Final answer
    x = 2,672.56

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.