Home / 3,227.68-4,841.52-1,280.32

Finding the Fourth Proportional to 3,227.68, 4,841.52 and 1,280.32

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Solution

The fourth proportional to 3,227.68, 4,841.52 and 1,280.32 is: 1,920.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,227.68 : 4,841.52 = 1,280.32 : x
  2. Step 2: Convert to fraction form
    3,227.68/4,841.52 = 1,280.32/x
  3. Step 3: Cross multiply
    3,227.68x = 4,841.52 × 1,280.32
  4. Step 4: Simplify right side
    3,227.68x = 6,198,694.89
  5. Step 5: Solve for x
    x = 6,198,694.89/3,227.68
  6. Step 6: Final answer
    x = 1,920.48

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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.