Home / 3,608.77-4,979.46-2,192.18

Finding the Fourth Proportional to 3,608.77, 4,979.46 and 2,192.18

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Solution

The fourth proportional to 3,608.77, 4,979.46 and 2,192.18 is: 3,024.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,608.77 : 4,979.46 = 2,192.18 : x
  2. Step 2: Convert to fraction form
    3,608.77/4,979.46 = 2,192.18/x
  3. Step 3: Cross multiply
    3,608.77x = 4,979.46 × 2,192.18
  4. Step 4: Simplify right side
    3,608.77x = 10,915,872.62
  5. Step 5: Solve for x
    x = 10,915,872.62/3,608.77
  6. Step 6: Final answer
    x = 3,024.82

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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.