Home / 2,776.11-4,160.55-2,481.90

Finding the Fourth Proportional to 2,776.11, 4,160.55 and 2,481.90

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Solution

The fourth proportional to 2,776.11, 4,160.55 and 2,481.90 is: 3,719.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,776.11 : 4,160.55 = 2,481.90 : x
  2. Step 2: Convert to fraction form
    2,776.11/4,160.55 = 2,481.90/x
  3. Step 3: Cross multiply
    2,776.11x = 4,160.55 × 2,481.90
  4. Step 4: Simplify right side
    2,776.11x = 10,326,069.05
  5. Step 5: Solve for x
    x = 10,326,069.05/2,776.11
  6. Step 6: Final answer
    x = 3,719.62

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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.