Home / 3,112.02-4,292.60-2,063.88

Finding the Fourth Proportional to 3,112.02, 4,292.60 and 2,063.88

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Solution

The fourth proportional to 3,112.02, 4,292.60 and 2,063.88 is: 2,846.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,112.02 : 4,292.60 = 2,063.88 : x
  2. Step 2: Convert to fraction form
    3,112.02/4,292.60 = 2,063.88/x
  3. Step 3: Cross multiply
    3,112.02x = 4,292.60 × 2,063.88
  4. Step 4: Simplify right side
    3,112.02x = 8,859,400.97
  5. Step 5: Solve for x
    x = 8,859,400.97/3,112.02
  6. Step 6: Final answer
    x = 2,846.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.