Home / 2,818.44-4,228.54-1,998.32

Finding the Fourth Proportional to 2,818.44, 4,228.54 and 1,998.32

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Solution

The fourth proportional to 2,818.44, 4,228.54 and 1,998.32 is: 2,998.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,818.44 : 4,228.54 = 1,998.32 : x
  2. Step 2: Convert to fraction form
    2,818.44/4,228.54 = 1,998.32/x
  3. Step 3: Cross multiply
    2,818.44x = 4,228.54 × 1,998.32
  4. Step 4: Simplify right side
    2,818.44x = 8,449,976.05
  5. Step 5: Solve for x
    x = 8,449,976.05/2,818.44
  6. Step 6: Final answer
    x = 2,998.10

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.