Home / 2,823.27-3,893.70-2,232.78

Finding the Fourth Proportional to 2,823.27, 3,893.70 and 2,232.78

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Solution

The fourth proportional to 2,823.27, 3,893.70 and 2,232.78 is: 3,079.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,823.27 : 3,893.70 = 2,232.78 : x
  2. Step 2: Convert to fraction form
    2,823.27/3,893.70 = 2,232.78/x
  3. Step 3: Cross multiply
    2,823.27x = 3,893.70 × 2,232.78
  4. Step 4: Simplify right side
    2,823.27x = 8,693,756.02
  5. Step 5: Solve for x
    x = 8,693,756.02/2,823.27
  6. Step 6: Final answer
    x = 3,079.33

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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.