Home / 3,193.31-4,780.05-1,728.83

Finding the Fourth Proportional to 3,193.31, 4,780.05 and 1,728.83

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Solution

The fourth proportional to 3,193.31, 4,780.05 and 1,728.83 is: 2,587.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,193.31 : 4,780.05 = 1,728.83 : x
  2. Step 2: Convert to fraction form
    3,193.31/4,780.05 = 1,728.83/x
  3. Step 3: Cross multiply
    3,193.31x = 4,780.05 × 1,728.83
  4. Step 4: Simplify right side
    3,193.31x = 8,263,893.84
  5. Step 5: Solve for x
    x = 8,263,893.84/3,193.31
  6. Step 6: Final answer
    x = 2,587.88

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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.