Home / 2,883.09-3,979.79-2,253.82

Finding the Fourth Proportional to 2,883.09, 3,979.79 and 2,253.82

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Solution

The fourth proportional to 2,883.09, 3,979.79 and 2,253.82 is: 3,111.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,883.09 : 3,979.79 = 2,253.82 : x
  2. Step 2: Convert to fraction form
    2,883.09/3,979.79 = 2,253.82/x
  3. Step 3: Cross multiply
    2,883.09x = 3,979.79 × 2,253.82
  4. Step 4: Simplify right side
    2,883.09x = 8,969,730.30
  5. Step 5: Solve for x
    x = 8,969,730.30/2,883.09
  6. Step 6: Final answer
    x = 3,111.15

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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.