Home / 3,227.54-4,455.69-2,181.02

Finding the Fourth Proportional to 3,227.54, 4,455.69 and 2,181.02

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Solution

The fourth proportional to 3,227.54, 4,455.69 and 2,181.02 is: 3,010.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,227.54 : 4,455.69 = 2,181.02 : x
  2. Step 2: Convert to fraction form
    3,227.54/4,455.69 = 2,181.02/x
  3. Step 3: Cross multiply
    3,227.54x = 4,455.69 × 2,181.02
  4. Step 4: Simplify right side
    3,227.54x = 9,717,949.00
  5. Step 5: Solve for x
    x = 9,717,949.00/3,227.54
  6. Step 6: Final answer
    x = 3,010.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.