Home / 3,193.08-4,787.65-1,243

Finding the Fourth Proportional to 3,193.08, 4,787.65 and 1,243

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Solution

The fourth proportional to 3,193.08, 4,787.65 and 1,243 is: 1,863.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,193.08 : 4,787.65 = 1,243 : x
  2. Step 2: Convert to fraction form
    3,193.08/4,787.65 = 1,243/x
  3. Step 3: Cross multiply
    3,193.08x = 4,787.65 × 1,243
  4. Step 4: Simplify right side
    3,193.08x = 5,951,048.95
  5. Step 5: Solve for x
    x = 5,951,048.95/3,193.08
  6. Step 6: Final answer
    x = 1,863.73

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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.