Home / 3,286.67-4,536.45-2,028.80

Finding the Fourth Proportional to 3,286.67, 4,536.45 and 2,028.80

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Solution

The fourth proportional to 3,286.67, 4,536.45 and 2,028.80 is: 2,800.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,286.67 : 4,536.45 = 2,028.80 : x
  2. Step 2: Convert to fraction form
    3,286.67/4,536.45 = 2,028.80/x
  3. Step 3: Cross multiply
    3,286.67x = 4,536.45 × 2,028.80
  4. Step 4: Simplify right side
    3,286.67x = 9,203,527.08
  5. Step 5: Solve for x
    x = 9,203,527.08/3,286.67
  6. Step 6: Final answer
    x = 2,800.26

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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.