Home / 3,083.24-4,255.38-2,895.80

Finding the Fourth Proportional to 3,083.24, 4,255.38 and 2,895.80

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Solution

The fourth proportional to 3,083.24, 4,255.38 and 2,895.80 is: 3,996.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,083.24 : 4,255.38 = 2,895.80 : x
  2. Step 2: Convert to fraction form
    3,083.24/4,255.38 = 2,895.80/x
  3. Step 3: Cross multiply
    3,083.24x = 4,255.38 × 2,895.80
  4. Step 4: Simplify right side
    3,083.24x = 12,322,729.40
  5. Step 5: Solve for x
    x = 12,322,729.40/3,083.24
  6. Step 6: Final answer
    x = 3,996.68

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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.