Home / 2,229.97-3,077.99-1,345.83

Finding the Fourth Proportional to 2,229.97, 3,077.99 and 1,345.83

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Solution

The fourth proportional to 2,229.97, 3,077.99 and 1,345.83 is: 1,857.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,229.97 : 3,077.99 = 1,345.83 : x
  2. Step 2: Convert to fraction form
    2,229.97/3,077.99 = 1,345.83/x
  3. Step 3: Cross multiply
    2,229.97x = 3,077.99 × 1,345.83
  4. Step 4: Simplify right side
    2,229.97x = 4,142,451.28
  5. Step 5: Solve for x
    x = 4,142,451.28/2,229.97
  6. Step 6: Final answer
    x = 1,857.63

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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.