Home / 3,286.94-4,535.43-2,107.76

Finding the Fourth Proportional to 3,286.94, 4,535.43 and 2,107.76

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Solution

The fourth proportional to 3,286.94, 4,535.43 and 2,107.76 is: 2,908.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,286.94 : 4,535.43 = 2,107.76 : x
  2. Step 2: Convert to fraction form
    3,286.94/4,535.43 = 2,107.76/x
  3. Step 3: Cross multiply
    3,286.94x = 4,535.43 × 2,107.76
  4. Step 4: Simplify right side
    3,286.94x = 9,559,597.94
  5. Step 5: Solve for x
    x = 9,559,597.94/3,286.94
  6. Step 6: Final answer
    x = 2,908.36

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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.