Home / 3,858.44-5,785.22-2,540.77

Finding the Fourth Proportional to 3,858.44, 5,785.22 and 2,540.77

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Solution

The fourth proportional to 3,858.44, 5,785.22 and 2,540.77 is: 3,809.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,858.44 : 5,785.22 = 2,540.77 : x
  2. Step 2: Convert to fraction form
    3,858.44/5,785.22 = 2,540.77/x
  3. Step 3: Cross multiply
    3,858.44x = 5,785.22 × 2,540.77
  4. Step 4: Simplify right side
    3,858.44x = 14,698,905.31
  5. Step 5: Solve for x
    x = 14,698,905.31/3,858.44
  6. Step 6: Final answer
    x = 3,809.55

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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.