Home / 1,028.60-1,542.92-335.27

Finding the Fourth Proportional to 1,028.60, 1,542.92 and 335.27

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Solution

The fourth proportional to 1,028.60, 1,542.92 and 335.27 is: 502.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028.60 : 1,542.92 = 335.27 : x
  2. Step 2: Convert to fraction form
    1,028.60/1,542.92 = 335.27/x
  3. Step 3: Cross multiply
    1,028.60x = 1,542.92 × 335.27
  4. Step 4: Simplify right side
    1,028.60x = 517,290.18
  5. Step 5: Solve for x
    x = 517,290.18/1,028.60
  6. Step 6: Final answer
    x = 502.91

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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.