Home / 1,960.80-2,936.88-1,914.36

Finding the Fourth Proportional to 1,960.80, 2,936.88 and 1,914.36

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Solution

The fourth proportional to 1,960.80, 2,936.88 and 1,914.36 is: 2,867.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,960.80 : 2,936.88 = 1,914.36 : x
  2. Step 2: Convert to fraction form
    1,960.80/2,936.88 = 1,914.36/x
  3. Step 3: Cross multiply
    1,960.80x = 2,936.88 × 1,914.36
  4. Step 4: Simplify right side
    1,960.80x = 5,622,245.60
  5. Step 5: Solve for x
    x = 5,622,245.60/1,960.80
  6. Step 6: Final answer
    x = 2,867.32

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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.