Home / 3,971.73-5,960.31-2,656.98

Finding the Fourth Proportional to 3,971.73, 5,960.31 and 2,656.98

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Solution

The fourth proportional to 3,971.73, 5,960.31 and 2,656.98 is: 3,987.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,971.73 : 5,960.31 = 2,656.98 : x
  2. Step 2: Convert to fraction form
    3,971.73/5,960.31 = 2,656.98/x
  3. Step 3: Cross multiply
    3,971.73x = 5,960.31 × 2,656.98
  4. Step 4: Simplify right side
    3,971.73x = 15,836,424.46
  5. Step 5: Solve for x
    x = 15,836,424.46/3,971.73
  6. Step 6: Final answer
    x = 3,987.29

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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.