Home / 3,270.16-4,903.28-2,231.44

Finding the Fourth Proportional to 3,270.16, 4,903.28 and 2,231.44

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Solution

The fourth proportional to 3,270.16, 4,903.28 and 2,231.44 is: 3,345.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,270.16 : 4,903.28 = 2,231.44 : x
  2. Step 2: Convert to fraction form
    3,270.16/4,903.28 = 2,231.44/x
  3. Step 3: Cross multiply
    3,270.16x = 4,903.28 × 2,231.44
  4. Step 4: Simplify right side
    3,270.16x = 10,941,375.12
  5. Step 5: Solve for x
    x = 10,941,375.12/3,270.16
  6. Step 6: Final answer
    x = 3,345.82

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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.