Home / 2,489.34-3,734.10-1,028.16

Finding the Fourth Proportional to 2,489.34, 3,734.10 and 1,028.16

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Solution

The fourth proportional to 2,489.34, 3,734.10 and 1,028.16 is: 1,542.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,489.34 : 3,734.10 = 1,028.16 : x
  2. Step 2: Convert to fraction form
    2,489.34/3,734.10 = 1,028.16/x
  3. Step 3: Cross multiply
    2,489.34x = 3,734.10 × 1,028.16
  4. Step 4: Simplify right side
    2,489.34x = 3,839,252.26
  5. Step 5: Solve for x
    x = 3,839,252.26/2,489.34
  6. Step 6: Final answer
    x = 1,542.28

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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.