Home / 2,936.80-4,396.55-1,960.48

Finding the Fourth Proportional to 2,936.80, 4,396.55 and 1,960.48

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Solution

The fourth proportional to 2,936.80, 4,396.55 and 1,960.48 is: 2,934.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,936.80 : 4,396.55 = 1,960.48 : x
  2. Step 2: Convert to fraction form
    2,936.80/4,396.55 = 1,960.48/x
  3. Step 3: Cross multiply
    2,936.80x = 4,396.55 × 1,960.48
  4. Step 4: Simplify right side
    2,936.80x = 8,619,326.36
  5. Step 5: Solve for x
    x = 8,619,326.36/2,936.80
  6. Step 6: Final answer
    x = 2,934.94

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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.