Home / 2,723.98-4,080.03-1,991.92

Finding the Fourth Proportional to 2,723.98, 4,080.03 and 1,991.92

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Solution

The fourth proportional to 2,723.98, 4,080.03 and 1,991.92 is: 2,983.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,723.98 : 4,080.03 = 1,991.92 : x
  2. Step 2: Convert to fraction form
    2,723.98/4,080.03 = 1,991.92/x
  3. Step 3: Cross multiply
    2,723.98x = 4,080.03 × 1,991.92
  4. Step 4: Simplify right side
    2,723.98x = 8,127,093.36
  5. Step 5: Solve for x
    x = 8,127,093.36/2,723.98
  6. Step 6: Final answer
    x = 2,983.54

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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.