Home / 3,858.44-5,324.77-2,345.49

Finding the Fourth Proportional to 3,858.44, 5,324.77 and 2,345.49

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Solution

The fourth proportional to 3,858.44, 5,324.77 and 2,345.49 is: 3,236.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,858.44 : 5,324.77 = 2,345.49 : x
  2. Step 2: Convert to fraction form
    3,858.44/5,324.77 = 2,345.49/x
  3. Step 3: Cross multiply
    3,858.44x = 5,324.77 × 2,345.49
  4. Step 4: Simplify right side
    3,858.44x = 12,489,197.72
  5. Step 5: Solve for x
    x = 12,489,197.72/3,858.44
  6. Step 6: Final answer
    x = 3,236.86

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1.5x scale

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.