Home / 3,270.27-4,908.18-1,422.87

Finding the Fourth Proportional to 3,270.27, 4,908.18 and 1,422.87

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Solution

The fourth proportional to 3,270.27, 4,908.18 and 1,422.87 is: 2,135.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,270.27 : 4,908.18 = 1,422.87 : x
  2. Step 2: Convert to fraction form
    3,270.27/4,908.18 = 1,422.87/x
  3. Step 3: Cross multiply
    3,270.27x = 4,908.18 × 1,422.87
  4. Step 4: Simplify right side
    3,270.27x = 6,983,702.08
  5. Step 5: Solve for x
    x = 6,983,702.08/3,270.27
  6. Step 6: Final answer
    x = 2,135.51

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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.