Home / 3,219.44-4,829.06-1,028.30

Finding the Fourth Proportional to 3,219.44, 4,829.06 and 1,028.30

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Solution

The fourth proportional to 3,219.44, 4,829.06 and 1,028.30 is: 1,542.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,219.44 : 4,829.06 = 1,028.30 : x
  2. Step 2: Convert to fraction form
    3,219.44/4,829.06 = 1,028.30/x
  3. Step 3: Cross multiply
    3,219.44x = 4,829.06 × 1,028.30
  4. Step 4: Simplify right side
    3,219.44x = 4,965,722.40
  5. Step 5: Solve for x
    x = 4,965,722.40/3,219.44
  6. Step 6: Final answer
    x = 1,542.42

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1.5x scale

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.