Home / 2,821.07-4,232.62-1,260.95

Finding the Fourth Proportional to 2,821.07, 4,232.62 and 1,260.95

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Solution

The fourth proportional to 2,821.07, 4,232.62 and 1,260.95 is: 1,891.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,821.07 : 4,232.62 = 1,260.95 : x
  2. Step 2: Convert to fraction form
    2,821.07/4,232.62 = 1,260.95/x
  3. Step 3: Cross multiply
    2,821.07x = 4,232.62 × 1,260.95
  4. Step 4: Simplify right side
    2,821.07x = 5,337,101.03
  5. Step 5: Solve for x
    x = 5,337,101.03/2,821.07
  6. Step 6: Final answer
    x = 1,891.87

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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.