Home / 3,281.76-4,911.08-2,049.75

Finding the Fourth Proportional to 3,281.76, 4,911.08 and 2,049.75

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Solution

The fourth proportional to 3,281.76, 4,911.08 and 2,049.75 is: 3,067.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,281.76 : 4,911.08 = 2,049.75 : x
  2. Step 2: Convert to fraction form
    3,281.76/4,911.08 = 2,049.75/x
  3. Step 3: Cross multiply
    3,281.76x = 4,911.08 × 2,049.75
  4. Step 4: Simplify right side
    3,281.76x = 10,066,475.98
  5. Step 5: Solve for x
    x = 10,066,475.98/3,281.76
  6. Step 6: Final answer
    x = 3,067.40

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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.