Home / 3,219.54-4,829.91-1,028.82

Finding the Fourth Proportional to 3,219.54, 4,829.91 and 1,028.82

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Solution

The fourth proportional to 3,219.54, 4,829.91 and 1,028.82 is: 1,543.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,219.54 : 4,829.91 = 1,028.82 : x
  2. Step 2: Convert to fraction form
    3,219.54/4,829.91 = 1,028.82/x
  3. Step 3: Cross multiply
    3,219.54x = 4,829.91 × 1,028.82
  4. Step 4: Simplify right side
    3,219.54x = 4,969,108.01
  5. Step 5: Solve for x
    x = 4,969,108.01/3,219.54
  6. Step 6: Final answer
    x = 1,543.42

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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.