Home / 3,643.58-5,456.97-2,179.51

Finding the Fourth Proportional to 3,643.58, 5,456.97 and 2,179.51

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Solution

The fourth proportional to 3,643.58, 5,456.97 and 2,179.51 is: 3,264.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,643.58 : 5,456.97 = 2,179.51 : x
  2. Step 2: Convert to fraction form
    3,643.58/5,456.97 = 2,179.51/x
  3. Step 3: Cross multiply
    3,643.58x = 5,456.97 × 2,179.51
  4. Step 4: Simplify right side
    3,643.58x = 11,893,507.04
  5. Step 5: Solve for x
    x = 11,893,507.04/3,643.58
  6. Step 6: Final answer
    x = 3,264.23

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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.