Home / 3,608.60-4,979.72-2,192.44

Finding the Fourth Proportional to 3,608.60, 4,979.72 and 2,192.44

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Solution

The fourth proportional to 3,608.60, 4,979.72 and 2,192.44 is: 3,025.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,608.60 : 4,979.72 = 2,192.44 : x
  2. Step 2: Convert to fraction form
    3,608.60/4,979.72 = 2,192.44/x
  3. Step 3: Cross multiply
    3,608.60x = 4,979.72 × 2,192.44
  4. Step 4: Simplify right side
    3,608.60x = 10,917,737.32
  5. Step 5: Solve for x
    x = 10,917,737.32/3,608.60
  6. Step 6: Final answer
    x = 3,025.48

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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.