Home / 2,793.89-3,857.38-1,732.79

Finding the Fourth Proportional to 2,793.89, 3,857.38 and 1,732.79

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Solution

The fourth proportional to 2,793.89, 3,857.38 and 1,732.79 is: 2,392.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,793.89 : 3,857.38 = 1,732.79 : x
  2. Step 2: Convert to fraction form
    2,793.89/3,857.38 = 1,732.79/x
  3. Step 3: Cross multiply
    2,793.89x = 3,857.38 × 1,732.79
  4. Step 4: Simplify right side
    2,793.89x = 6,684,005.87
  5. Step 5: Solve for x
    x = 6,684,005.87/2,793.89
  6. Step 6: Final answer
    x = 2,392.36

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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.