Home / 3,286.24-4,535.52-2,107.84

Finding the Fourth Proportional to 3,286.24, 4,535.52 and 2,107.84

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Solution

The fourth proportional to 3,286.24, 4,535.52 and 2,107.84 is: 2,909.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,286.24 : 4,535.52 = 2,107.84 : x
  2. Step 2: Convert to fraction form
    3,286.24/4,535.52 = 2,107.84/x
  3. Step 3: Cross multiply
    3,286.24x = 4,535.52 × 2,107.84
  4. Step 4: Simplify right side
    3,286.24x = 9,560,150.48
  5. Step 5: Solve for x
    x = 9,560,150.48/3,286.24
  6. Step 6: Final answer
    x = 2,909.15

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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.