Home / 1,944.91-2,917.37-1,290.97

Finding the Fourth Proportional to 1,944.91, 2,917.37 and 1,290.97

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Solution

The fourth proportional to 1,944.91, 2,917.37 and 1,290.97 is: 1,936.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,944.91 : 2,917.37 = 1,290.97 : x
  2. Step 2: Convert to fraction form
    1,944.91/2,917.37 = 1,290.97/x
  3. Step 3: Cross multiply
    1,944.91x = 2,917.37 × 1,290.97
  4. Step 4: Simplify right side
    1,944.91x = 3,766,241.60
  5. Step 5: Solve for x
    x = 3,766,241.60/1,944.91
  6. Step 6: Final answer
    x = 1,936.46

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Similar ratio
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1.5x scale

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.