Home / 3,823.25-5,276.10-2,231.00

Finding the Fourth Proportional to 3,823.25, 5,276.10 and 2,231.00

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Solution

The fourth proportional to 3,823.25, 5,276.10 and 2,231.00 is: 3,078.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,823.25 : 5,276.10 = 2,231.00 : x
  2. Step 2: Convert to fraction form
    3,823.25/5,276.10 = 2,231.00/x
  3. Step 3: Cross multiply
    3,823.25x = 5,276.10 × 2,231.00
  4. Step 4: Simplify right side
    3,823.25x = 11,770,941.56
  5. Step 5: Solve for x
    x = 11,770,941.56/3,823.25
  6. Step 6: Final answer
    x = 3,078.78

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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.