Home / 2,568.38-3,853.64-1,644.98

Finding the Fourth Proportional to 2,568.38, 3,853.64 and 1,644.98

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Solution

The fourth proportional to 2,568.38, 3,853.64 and 1,644.98 is: 2,468.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,568.38 : 3,853.64 = 1,644.98 : x
  2. Step 2: Convert to fraction form
    2,568.38/3,853.64 = 1,644.98/x
  3. Step 3: Cross multiply
    2,568.38x = 3,853.64 × 1,644.98
  4. Step 4: Simplify right side
    2,568.38x = 6,339,160.73
  5. Step 5: Solve for x
    x = 6,339,160.73/2,568.38
  6. Step 6: Final answer
    x = 2,468.16

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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.