Home / 3,193.20-4,787.84-1,243.13

Finding the Fourth Proportional to 3,193.20, 4,787.84 and 1,243.13

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Solution

The fourth proportional to 3,193.20, 4,787.84 and 1,243.13 is: 1,863.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,193.20 : 4,787.84 = 1,243.13 : x
  2. Step 2: Convert to fraction form
    3,193.20/4,787.84 = 1,243.13/x
  3. Step 3: Cross multiply
    3,193.20x = 4,787.84 × 1,243.13
  4. Step 4: Simplify right side
    3,193.20x = 5,951,907.54
  5. Step 5: Solve for x
    x = 5,951,907.54/3,193.20
  6. Step 6: Final answer
    x = 1,863.93

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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.