Home / 3,521.43-4,857.17-2,194.65

Finding the Fourth Proportional to 3,521.43, 4,857.17 and 2,194.65

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Solution

The fourth proportional to 3,521.43, 4,857.17 and 2,194.65 is: 3,027.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,521.43 : 4,857.17 = 2,194.65 : x
  2. Step 2: Convert to fraction form
    3,521.43/4,857.17 = 2,194.65/x
  3. Step 3: Cross multiply
    3,521.43x = 4,857.17 × 2,194.65
  4. Step 4: Simplify right side
    3,521.43x = 10,659,777.17
  5. Step 5: Solve for x
    x = 10,659,777.17/3,521.43
  6. Step 6: Final answer
    x = 3,027.12

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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.