Home / 3,694.49-5,100.28-2,853.31

Finding the Fourth Proportional to 3,694.49, 5,100.28 and 2,853.31

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Solution

The fourth proportional to 3,694.49, 5,100.28 and 2,853.31 is: 3,939.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,694.49 : 5,100.28 = 2,853.31 : x
  2. Step 2: Convert to fraction form
    3,694.49/5,100.28 = 2,853.31/x
  3. Step 3: Cross multiply
    3,694.49x = 5,100.28 × 2,853.31
  4. Step 4: Simplify right side
    3,694.49x = 14,552,654.43
  5. Step 5: Solve for x
    x = 14,552,654.43/3,694.49
  6. Step 6: Final answer
    x = 3,939.02

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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.