Home / 3,103.18-4,286.74-2,822.92

Finding the Fourth Proportional to 3,103.18, 4,286.74 and 2,822.92

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Solution

The fourth proportional to 3,103.18, 4,286.74 and 2,822.92 is: 3,899.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,103.18 : 4,286.74 = 2,822.92 : x
  2. Step 2: Convert to fraction form
    3,103.18/4,286.74 = 2,822.92/x
  3. Step 3: Cross multiply
    3,103.18x = 4,286.74 × 2,822.92
  4. Step 4: Simplify right side
    3,103.18x = 12,101,124.08
  5. Step 5: Solve for x
    x = 12,101,124.08/3,103.18
  6. Step 6: Final answer
    x = 3,899.59

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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.