Home / 2,813.22-3,883.32-2,517.96

Finding the Fourth Proportional to 2,813.22, 3,883.32 and 2,517.96

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Solution

The fourth proportional to 2,813.22, 3,883.32 and 2,517.96 is: 3,475.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,813.22 : 3,883.32 = 2,517.96 : x
  2. Step 2: Convert to fraction form
    2,813.22/3,883.32 = 2,517.96/x
  3. Step 3: Cross multiply
    2,813.22x = 3,883.32 × 2,517.96
  4. Step 4: Simplify right side
    2,813.22x = 9,778,044.43
  5. Step 5: Solve for x
    x = 9,778,044.43/2,813.22
  6. Step 6: Final answer
    x = 3,475.75

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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.