Home / 2,833.86-4,247.58-1,274.70

Finding the Fourth Proportional to 2,833.86, 4,247.58 and 1,274.70

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Solution

The fourth proportional to 2,833.86, 4,247.58 and 1,274.70 is: 1,910.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,833.86 : 4,247.58 = 1,274.70 : x
  2. Step 2: Convert to fraction form
    2,833.86/4,247.58 = 1,274.70/x
  3. Step 3: Cross multiply
    2,833.86x = 4,247.58 × 1,274.70
  4. Step 4: Simplify right side
    2,833.86x = 5,414,390.23
  5. Step 5: Solve for x
    x = 5,414,390.23/2,833.86
  6. Step 6: Final answer
    x = 1,910.61

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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.