Home / 3,422.92-5,109.62-3,007.73

Finding the Fourth Proportional to 3,422.92, 5,109.62 and 3,007.73

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Solution

The fourth proportional to 3,422.92, 5,109.62 and 3,007.73 is: 4,489.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,422.92 : 5,109.62 = 3,007.73 : x
  2. Step 2: Convert to fraction form
    3,422.92/5,109.62 = 3,007.73/x
  3. Step 3: Cross multiply
    3,422.92x = 5,109.62 × 3,007.73
  4. Step 4: Simplify right side
    3,422.92x = 15,368,357.36
  5. Step 5: Solve for x
    x = 15,368,357.36/3,422.92
  6. Step 6: Final answer
    x = 4,489.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.