Home / 3,969.17-5,474.30-2,553.02

Finding the Fourth Proportional to 3,969.17, 5,474.30 and 2,553.02

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Solution

The fourth proportional to 3,969.17, 5,474.30 and 2,553.02 is: 3,521.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,969.17 : 5,474.30 = 2,553.02 : x
  2. Step 2: Convert to fraction form
    3,969.17/5,474.30 = 2,553.02/x
  3. Step 3: Cross multiply
    3,969.17x = 5,474.30 × 2,553.02
  4. Step 4: Simplify right side
    3,969.17x = 13,975,984.62
  5. Step 5: Solve for x
    x = 13,975,984.62/3,969.17
  6. Step 6: Final answer
    x = 3,521.14

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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.