Home / 2,793.29-4,186.43-1,406.97

Finding the Fourth Proportional to 2,793.29, 4,186.43 and 1,406.97

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Solution

The fourth proportional to 2,793.29, 4,186.43 and 1,406.97 is: 2,108.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,793.29 : 4,186.43 = 1,406.97 : x
  2. Step 2: Convert to fraction form
    2,793.29/4,186.43 = 1,406.97/x
  3. Step 3: Cross multiply
    2,793.29x = 4,186.43 × 1,406.97
  4. Step 4: Simplify right side
    2,793.29x = 5,890,187.57
  5. Step 5: Solve for x
    x = 5,890,187.57/2,793.29
  6. Step 6: Final answer
    x = 2,108.70

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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.