Home / 2,572.76-3,859.32-1,273.88

Finding the Fourth Proportional to 2,572.76, 3,859.32 and 1,273.88

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Solution

The fourth proportional to 2,572.76, 3,859.32 and 1,273.88 is: 1,910.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,572.76 : 3,859.32 = 1,273.88 : x
  2. Step 2: Convert to fraction form
    2,572.76/3,859.32 = 1,273.88/x
  3. Step 3: Cross multiply
    2,572.76x = 3,859.32 × 1,273.88
  4. Step 4: Simplify right side
    2,572.76x = 4,916,310.56
  5. Step 5: Solve for x
    x = 4,916,310.56/2,572.76
  6. Step 6: Final answer
    x = 1,910.91

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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.