Home / 3,028.20-4,540.89-1,080.45

Finding the Fourth Proportional to 3,028.20, 4,540.89 and 1,080.45

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Solution

The fourth proportional to 3,028.20, 4,540.89 and 1,080.45 is: 1,620.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,028.20 : 4,540.89 = 1,080.45 : x
  2. Step 2: Convert to fraction form
    3,028.20/4,540.89 = 1,080.45/x
  3. Step 3: Cross multiply
    3,028.20x = 4,540.89 × 1,080.45
  4. Step 4: Simplify right side
    3,028.20x = 4,906,204.60
  5. Step 5: Solve for x
    x = 4,906,204.60/3,028.20
  6. Step 6: Final answer
    x = 1,620.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.