Home / 3,425.27-5,107.83-3,394.09

Finding the Fourth Proportional to 3,425.27, 5,107.83 and 3,394.09

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Solution

The fourth proportional to 3,425.27, 5,107.83 and 3,394.09 is: 5,061.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,425.27 : 5,107.83 = 3,394.09 : x
  2. Step 2: Convert to fraction form
    3,425.27/5,107.83 = 3,394.09/x
  3. Step 3: Cross multiply
    3,425.27x = 5,107.83 × 3,394.09
  4. Step 4: Simplify right side
    3,425.27x = 17,336,409.19
  5. Step 5: Solve for x
    x = 17,336,409.19/3,425.27
  6. Step 6: Final answer
    x = 5,061.33

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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.