Home / 3,287.26-4,534.81-2,028.12

Finding the Fourth Proportional to 3,287.26, 4,534.81 and 2,028.12

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Solution

The fourth proportional to 3,287.26, 4,534.81 and 2,028.12 is: 2,797.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,287.26 : 4,534.81 = 2,028.12 : x
  2. Step 2: Convert to fraction form
    3,287.26/4,534.81 = 2,028.12/x
  3. Step 3: Cross multiply
    3,287.26x = 4,534.81 × 2,028.12
  4. Step 4: Simplify right side
    3,287.26x = 9,197,138.86
  5. Step 5: Solve for x
    x = 9,197,138.86/3,287.26
  6. Step 6: Final answer
    x = 2,797.81

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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.