Home / 2,617.92-3,608.28-2,192.76

Finding the Fourth Proportional to 2,617.92, 3,608.28 and 2,192.76

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Solution

The fourth proportional to 2,617.92, 3,608.28 and 2,192.76 is: 3,022.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,617.92 : 3,608.28 = 2,192.76 : x
  2. Step 2: Convert to fraction form
    2,617.92/3,608.28 = 2,192.76/x
  3. Step 3: Cross multiply
    2,617.92x = 3,608.28 × 2,192.76
  4. Step 4: Simplify right side
    2,617.92x = 7,912,092.05
  5. Step 5: Solve for x
    x = 7,912,092.05/2,617.92
  6. Step 6: Final answer
    x = 3,022.28

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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.