Home / 2,489.23-3,733.88-1,028.39

Finding the Fourth Proportional to 2,489.23, 3,733.88 and 1,028.39

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Solution

The fourth proportional to 2,489.23, 3,733.88 and 1,028.39 is: 1,542.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,489.23 : 3,733.88 = 1,028.39 : x
  2. Step 2: Convert to fraction form
    2,489.23/3,733.88 = 1,028.39/x
  3. Step 3: Cross multiply
    2,489.23x = 3,733.88 × 1,028.39
  4. Step 4: Simplify right side
    2,489.23x = 3,839,884.85
  5. Step 5: Solve for x
    x = 3,839,884.85/2,489.23
  6. Step 6: Final answer
    x = 1,542.60

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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.