Home / 3,286.08-4,536.96-2,107.68

Finding the Fourth Proportional to 3,286.08, 4,536.96 and 2,107.68

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Solution

The fourth proportional to 3,286.08, 4,536.96 and 2,107.68 is: 2,909.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,286.08 : 4,536.96 = 2,107.68 : x
  2. Step 2: Convert to fraction form
    3,286.08/4,536.96 = 2,107.68/x
  3. Step 3: Cross multiply
    3,286.08x = 4,536.96 × 2,107.68
  4. Step 4: Simplify right side
    3,286.08x = 9,562,459.85
  5. Step 5: Solve for x
    x = 9,562,459.85/3,286.08
  6. Step 6: Final answer
    x = 2,909.99

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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.