Home / 3,520.30-4,857.42-2,194.42

Finding the Fourth Proportional to 3,520.30, 4,857.42 and 2,194.42

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Solution

The fourth proportional to 3,520.30, 4,857.42 and 2,194.42 is: 3,027.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,520.30 : 4,857.42 = 2,194.42 : x
  2. Step 2: Convert to fraction form
    3,520.30/4,857.42 = 2,194.42/x
  3. Step 3: Cross multiply
    3,520.30x = 4,857.42 × 2,194.42
  4. Step 4: Simplify right side
    3,520.30x = 10,659,219.60
  5. Step 5: Solve for x
    x = 10,659,219.60/3,520.30
  6. Step 6: Final answer
    x = 3,027.93

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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.