Home / 3,660.82-5,490.88-1,028.09

Finding the Fourth Proportional to 3,660.82, 5,490.88 and 1,028.09

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Solution

The fourth proportional to 3,660.82, 5,490.88 and 1,028.09 is: 1,542.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,660.82 : 5,490.88 = 1,028.09 : x
  2. Step 2: Convert to fraction form
    3,660.82/5,490.88 = 1,028.09/x
  3. Step 3: Cross multiply
    3,660.82x = 5,490.88 × 1,028.09
  4. Step 4: Simplify right side
    3,660.82x = 5,645,129.98
  5. Step 5: Solve for x
    x = 5,645,129.98/3,660.82
  6. Step 6: Final answer
    x = 1,542.04

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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.