Home / 1,028.18-1,542.20-882.92

Finding the Fourth Proportional to 1,028.18, 1,542.20 and 882.92

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Solution

The fourth proportional to 1,028.18, 1,542.20 and 882.92 is: 1,324.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028.18 : 1,542.20 = 882.92 : x
  2. Step 2: Convert to fraction form
    1,028.18/1,542.20 = 882.92/x
  3. Step 3: Cross multiply
    1,028.18x = 1,542.20 × 882.92
  4. Step 4: Simplify right side
    1,028.18x = 1,361,627.10
  5. Step 5: Solve for x
    x = 1,361,627.10/1,028.18
  6. Step 6: Final answer
    x = 1,324.31

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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.