Home / 2,042.75-3,063.95-1,262.87

Finding the Fourth Proportional to 2,042.75, 3,063.95 and 1,262.87

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Solution

The fourth proportional to 2,042.75, 3,063.95 and 1,262.87 is: 1,894.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,042.75 : 3,063.95 = 1,262.87 : x
  2. Step 2: Convert to fraction form
    2,042.75/3,063.95 = 1,262.87/x
  3. Step 3: Cross multiply
    2,042.75x = 3,063.95 × 1,262.87
  4. Step 4: Simplify right side
    2,042.75x = 3,869,375.43
  5. Step 5: Solve for x
    x = 3,869,375.43/2,042.75
  6. Step 6: Final answer
    x = 1,894.20

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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.