Home / 3,286.07-4,534.78-2,107.14

Finding the Fourth Proportional to 3,286.07, 4,534.78 and 2,107.14

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Solution

The fourth proportional to 3,286.07, 4,534.78 and 2,107.14 is: 2,907.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,286.07 : 4,534.78 = 2,107.14 : x
  2. Step 2: Convert to fraction form
    3,286.07/4,534.78 = 2,107.14/x
  3. Step 3: Cross multiply
    3,286.07x = 4,534.78 × 2,107.14
  4. Step 4: Simplify right side
    3,286.07x = 9,555,416.33
  5. Step 5: Solve for x
    x = 9,555,416.33/3,286.07
  6. Step 6: Final answer
    x = 2,907.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.