Home / 2,787.10-4,181.33-1,966.97

Finding the Fourth Proportional to 2,787.10, 4,181.33 and 1,966.97

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Solution

The fourth proportional to 2,787.10, 4,181.33 and 1,966.97 is: 2,950.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,787.10 : 4,181.33 = 1,966.97 : x
  2. Step 2: Convert to fraction form
    2,787.10/4,181.33 = 1,966.97/x
  3. Step 3: Cross multiply
    2,787.10x = 4,181.33 × 1,966.97
  4. Step 4: Simplify right side
    2,787.10x = 8,224,566.04
  5. Step 5: Solve for x
    x = 8,224,566.04/2,787.10
  6. Step 6: Final answer
    x = 2,950.94

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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.