Home / 3,891.53-5,838.30-2,042.15

Finding the Fourth Proportional to 3,891.53, 5,838.30 and 2,042.15

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Solution

The fourth proportional to 3,891.53, 5,838.30 and 2,042.15 is: 3,063.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,891.53 : 5,838.30 = 2,042.15 : x
  2. Step 2: Convert to fraction form
    3,891.53/5,838.30 = 2,042.15/x
  3. Step 3: Cross multiply
    3,891.53x = 5,838.30 × 2,042.15
  4. Step 4: Simplify right side
    3,891.53x = 11,922,655.15
  5. Step 5: Solve for x
    x = 11,922,655.15/3,891.53
  6. Step 6: Final answer
    x = 3,063.75

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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.