Home / 1,604.20-2,403.42-1,028.20

Finding the Fourth Proportional to 1,604.20, 2,403.42 and 1,028.20

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Solution

The fourth proportional to 1,604.20, 2,403.42 and 1,028.20 is: 1,540.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,604.20 : 2,403.42 = 1,028.20 : x
  2. Step 2: Convert to fraction form
    1,604.20/2,403.42 = 1,028.20/x
  3. Step 3: Cross multiply
    1,604.20x = 2,403.42 × 1,028.20
  4. Step 4: Simplify right side
    1,604.20x = 2,471,196.44
  5. Step 5: Solve for x
    x = 2,471,196.44/1,604.20
  6. Step 6: Final answer
    x = 1,540.45

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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.