Home / 3,352.20-5,028.46-1,272.12

Finding the Fourth Proportional to 3,352.20, 5,028.46 and 1,272.12

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Solution

The fourth proportional to 3,352.20, 5,028.46 and 1,272.12 is: 1,908.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,352.20 : 5,028.46 = 1,272.12 : x
  2. Step 2: Convert to fraction form
    3,352.20/5,028.46 = 1,272.12/x
  3. Step 3: Cross multiply
    3,352.20x = 5,028.46 × 1,272.12
  4. Step 4: Simplify right side
    3,352.20x = 6,396,804.54
  5. Step 5: Solve for x
    x = 6,396,804.54/3,352.20
  6. Step 6: Final answer
    x = 1,908.24

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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.