Home / 2,793.83-4,190.78-1,212.19

Finding the Fourth Proportional to 2,793.83, 4,190.78 and 1,212.19

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Solution

The fourth proportional to 2,793.83, 4,190.78 and 1,212.19 is: 1,818.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,793.83 : 4,190.78 = 1,212.19 : x
  2. Step 2: Convert to fraction form
    2,793.83/4,190.78 = 1,212.19/x
  3. Step 3: Cross multiply
    2,793.83x = 4,190.78 × 1,212.19
  4. Step 4: Simplify right side
    2,793.83x = 5,080,007.41
  5. Step 5: Solve for x
    x = 5,080,007.41/2,793.83
  6. Step 6: Final answer
    x = 1,818.30

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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.