Home / 1,263.99-1,892.92-1,028.69

Finding the Fourth Proportional to 1,263.99, 1,892.92 and 1,028.69

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Solution

The fourth proportional to 1,263.99, 1,892.92 and 1,028.69 is: 1,540.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263.99 : 1,892.92 = 1,028.69 : x
  2. Step 2: Convert to fraction form
    1,263.99/1,892.92 = 1,028.69/x
  3. Step 3: Cross multiply
    1,263.99x = 1,892.92 × 1,028.69
  4. Step 4: Simplify right side
    1,263.99x = 1,947,227.87
  5. Step 5: Solve for x
    x = 1,947,227.87/1,263.99
  6. Step 6: Final answer
    x = 1,540.54

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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.