Home / 2,856.94-3,944.49-2,192.62

Finding the Fourth Proportional to 2,856.94, 3,944.49 and 2,192.62

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Solution

The fourth proportional to 2,856.94, 3,944.49 and 2,192.62 is: 3,027.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,856.94 : 3,944.49 = 2,192.62 : x
  2. Step 2: Convert to fraction form
    2,856.94/3,944.49 = 2,192.62/x
  3. Step 3: Cross multiply
    2,856.94x = 3,944.49 × 2,192.62
  4. Step 4: Simplify right side
    2,856.94x = 8,648,767.66
  5. Step 5: Solve for x
    x = 8,648,767.66/2,856.94
  6. Step 6: Final answer
    x = 3,027.28

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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.