Home / 2,489.06-3,735.27-1,028.21

Finding the Fourth Proportional to 2,489.06, 3,735.27 and 1,028.21

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Solution

The fourth proportional to 2,489.06, 3,735.27 and 1,028.21 is: 1,543.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,489.06 : 3,735.27 = 1,028.21 : x
  2. Step 2: Convert to fraction form
    2,489.06/3,735.27 = 1,028.21/x
  3. Step 3: Cross multiply
    2,489.06x = 3,735.27 × 1,028.21
  4. Step 4: Simplify right side
    2,489.06x = 3,840,619.43
  5. Step 5: Solve for x
    x = 3,840,619.43/2,489.06
  6. Step 6: Final answer
    x = 1,543.00

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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.