Home / 3,310.55-4,568.09-2,640.03

Finding the Fourth Proportional to 3,310.55, 4,568.09 and 2,640.03

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Solution

The fourth proportional to 3,310.55, 4,568.09 and 2,640.03 is: 3,642.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,310.55 : 4,568.09 = 2,640.03 : x
  2. Step 2: Convert to fraction form
    3,310.55/4,568.09 = 2,640.03/x
  3. Step 3: Cross multiply
    3,310.55x = 4,568.09 × 2,640.03
  4. Step 4: Simplify right side
    3,310.55x = 12,059,874.21
  5. Step 5: Solve for x
    x = 12,059,874.21/3,310.55
  6. Step 6: Final answer
    x = 3,642.86

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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.