Home / 2,723.87-4,087.26-2,108.76

Finding the Fourth Proportional to 2,723.87, 4,087.26 and 2,108.76

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Solution

The fourth proportional to 2,723.87, 4,087.26 and 2,108.76 is: 3,164.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,723.87 : 4,087.26 = 2,108.76 : x
  2. Step 2: Convert to fraction form
    2,723.87/4,087.26 = 2,108.76/x
  3. Step 3: Cross multiply
    2,723.87x = 4,087.26 × 2,108.76
  4. Step 4: Simplify right side
    2,723.87x = 8,619,050.40
  5. Step 5: Solve for x
    x = 8,619,050.40/2,723.87
  6. Step 6: Final answer
    x = 3,164.27

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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.