Home / 2,489.13-3,733.70-1,028.30

Finding the Fourth Proportional to 2,489.13, 3,733.70 and 1,028.30

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Solution

The fourth proportional to 2,489.13, 3,733.70 and 1,028.30 is: 1,542.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,489.13 : 3,733.70 = 1,028.30 : x
  2. Step 2: Convert to fraction form
    2,489.13/3,733.70 = 1,028.30/x
  3. Step 3: Cross multiply
    2,489.13x = 3,733.70 × 1,028.30
  4. Step 4: Simplify right side
    2,489.13x = 3,839,339.90
  5. Step 5: Solve for x
    x = 3,839,339.90/2,489.13
  6. Step 6: Final answer
    x = 1,542.44

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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.