Home / 3,985.35-5,496.89-2,725.09

Finding the Fourth Proportional to 3,985.35, 5,496.89 and 2,725.09

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Solution

The fourth proportional to 3,985.35, 5,496.89 and 2,725.09 is: 3,758.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,985.35 : 5,496.89 = 2,725.09 : x
  2. Step 2: Convert to fraction form
    3,985.35/5,496.89 = 2,725.09/x
  3. Step 3: Cross multiply
    3,985.35x = 5,496.89 × 2,725.09
  4. Step 4: Simplify right side
    3,985.35x = 14,979,531.19
  5. Step 5: Solve for x
    x = 14,979,531.19/3,985.35
  6. Step 6: Final answer
    x = 3,758.65

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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.