Home / 3,837.08-5,755.26-1,645.40

Finding the Fourth Proportional to 3,837.08, 5,755.26 and 1,645.40

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Solution

The fourth proportional to 3,837.08, 5,755.26 and 1,645.40 is: 2,467.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,837.08 : 5,755.26 = 1,645.40 : x
  2. Step 2: Convert to fraction form
    3,837.08/5,755.26 = 1,645.40/x
  3. Step 3: Cross multiply
    3,837.08x = 5,755.26 × 1,645.40
  4. Step 4: Simplify right side
    3,837.08x = 9,469,704.80
  5. Step 5: Solve for x
    x = 9,469,704.80/3,837.08
  6. Step 6: Final answer
    x = 2,467.95

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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.