Home / 2,731.79-4,099.97-2,029.67

Finding the Fourth Proportional to 2,731.79, 4,099.97 and 2,029.67

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Solution

The fourth proportional to 2,731.79, 4,099.97 and 2,029.67 is: 3,046.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,731.79 : 4,099.97 = 2,029.67 : x
  2. Step 2: Convert to fraction form
    2,731.79/4,099.97 = 2,029.67/x
  3. Step 3: Cross multiply
    2,731.79x = 4,099.97 × 2,029.67
  4. Step 4: Simplify right side
    2,731.79x = 8,321,597.70
  5. Step 5: Solve for x
    x = 8,321,597.70/2,731.79
  6. Step 6: Final answer
    x = 3,046.20

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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.