Home / 2,793.35-4,190.13-1,405.94

Finding the Fourth Proportional to 2,793.35, 4,190.13 and 1,405.94

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Solution

The fourth proportional to 2,793.35, 4,190.13 and 1,405.94 is: 2,108.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,793.35 : 4,190.13 = 1,405.94 : x
  2. Step 2: Convert to fraction form
    2,793.35/4,190.13 = 1,405.94/x
  3. Step 3: Cross multiply
    2,793.35x = 4,190.13 × 1,405.94
  4. Step 4: Simplify right side
    2,793.35x = 5,891,043.39
  5. Step 5: Solve for x
    x = 5,891,043.39/2,793.35
  6. Step 6: Final answer
    x = 2,108.95

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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.