Home / 3,112.86-4,671.26-1,263.99

Finding the Fourth Proportional to 3,112.86, 4,671.26 and 1,263.99

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Solution

The fourth proportional to 3,112.86, 4,671.26 and 1,263.99 is: 1,896.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,112.86 : 4,671.26 = 1,263.99 : x
  2. Step 2: Convert to fraction form
    3,112.86/4,671.26 = 1,263.99/x
  3. Step 3: Cross multiply
    3,112.86x = 4,671.26 × 1,263.99
  4. Step 4: Simplify right side
    3,112.86x = 5,904,425.93
  5. Step 5: Solve for x
    x = 5,904,425.93/3,112.86
  6. Step 6: Final answer
    x = 1,896.78

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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.