Home / 3,761.28-5,643.80-2,842.44

Finding the Fourth Proportional to 3,761.28, 5,643.80 and 2,842.44

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Solution

The fourth proportional to 3,761.28, 5,643.80 and 2,842.44 is: 4,265.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,761.28 : 5,643.80 = 2,842.44 : x
  2. Step 2: Convert to fraction form
    3,761.28/5,643.80 = 2,842.44/x
  3. Step 3: Cross multiply
    3,761.28x = 5,643.80 × 2,842.44
  4. Step 4: Simplify right side
    3,761.28x = 16,042,162.87
  5. Step 5: Solve for x
    x = 16,042,162.87/3,761.28
  6. Step 6: Final answer
    x = 4,265.08

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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.