Home / 2,489.12-3,733.35-1,028.07

Finding the Fourth Proportional to 2,489.12, 3,733.35 and 1,028.07

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Solution

The fourth proportional to 2,489.12, 3,733.35 and 1,028.07 is: 1,541.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,489.12 : 3,733.35 = 1,028.07 : x
  2. Step 2: Convert to fraction form
    2,489.12/3,733.35 = 1,028.07/x
  3. Step 3: Cross multiply
    2,489.12x = 3,733.35 × 1,028.07
  4. Step 4: Simplify right side
    2,489.12x = 3,838,145.13
  5. Step 5: Solve for x
    x = 3,838,145.13/2,489.12
  6. Step 6: Final answer
    x = 1,541.97

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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.