Home / 3,173.87-4,377.69-2,731.01

Finding the Fourth Proportional to 3,173.87, 4,377.69 and 2,731.01

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Solution

The fourth proportional to 3,173.87, 4,377.69 and 2,731.01 is: 3,766.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,173.87 : 4,377.69 = 2,731.01 : x
  2. Step 2: Convert to fraction form
    3,173.87/4,377.69 = 2,731.01/x
  3. Step 3: Cross multiply
    3,173.87x = 4,377.69 × 2,731.01
  4. Step 4: Simplify right side
    3,173.87x = 11,955,493.28
  5. Step 5: Solve for x
    x = 11,955,493.28/3,173.87
  6. Step 6: Final answer
    x = 3,766.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.