Home / 2,789.58-4,183.38-2,007.23

Finding the Fourth Proportional to 2,789.58, 4,183.38 and 2,007.23

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Solution

The fourth proportional to 2,789.58, 4,183.38 and 2,007.23 is: 3,010.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,789.58 : 4,183.38 = 2,007.23 : x
  2. Step 2: Convert to fraction form
    2,789.58/4,183.38 = 2,007.23/x
  3. Step 3: Cross multiply
    2,789.58x = 4,183.38 × 2,007.23
  4. Step 4: Simplify right side
    2,789.58x = 8,396,984.92
  5. Step 5: Solve for x
    x = 8,396,984.92/2,789.58
  6. Step 6: Final answer
    x = 3,010.13

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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.