Home / 1,936.26-2,908.85-1,116.54

Finding the Fourth Proportional to 1,936.26, 2,908.85 and 1,116.54

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Solution

The fourth proportional to 1,936.26, 2,908.85 and 1,116.54 is: 1,677.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,936.26 : 2,908.85 = 1,116.54 : x
  2. Step 2: Convert to fraction form
    1,936.26/2,908.85 = 1,116.54/x
  3. Step 3: Cross multiply
    1,936.26x = 2,908.85 × 1,116.54
  4. Step 4: Simplify right side
    1,936.26x = 3,247,847.38
  5. Step 5: Solve for x
    x = 3,247,847.38/1,936.26
  6. Step 6: Final answer
    x = 1,677.38

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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.