Home / 2,789.15-4,183.73-1,249.07

Finding the Fourth Proportional to 2,789.15, 4,183.73 and 1,249.07

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Solution

The fourth proportional to 2,789.15, 4,183.73 and 1,249.07 is: 1,873.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,789.15 : 4,183.73 = 1,249.07 : x
  2. Step 2: Convert to fraction form
    2,789.15/4,183.73 = 1,249.07/x
  3. Step 3: Cross multiply
    2,789.15x = 4,183.73 × 1,249.07
  4. Step 4: Simplify right side
    2,789.15x = 5,225,765.39
  5. Step 5: Solve for x
    x = 5,225,765.39/2,789.15
  6. Step 6: Final answer
    x = 1,873.61

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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.