Home / 3,966.25-5,473.21-2,173.39

Finding the Fourth Proportional to 3,966.25, 5,473.21 and 2,173.39

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Solution

The fourth proportional to 3,966.25, 5,473.21 and 2,173.39 is: 2,999.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,966.25 : 5,473.21 = 2,173.39 : x
  2. Step 2: Convert to fraction form
    3,966.25/5,473.21 = 2,173.39/x
  3. Step 3: Cross multiply
    3,966.25x = 5,473.21 × 2,173.39
  4. Step 4: Simplify right side
    3,966.25x = 11,895,419.88
  5. Step 5: Solve for x
    x = 11,895,419.88/3,966.25
  6. Step 6: Final answer
    x = 2,999.16

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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.