Home / 3,969.13-5,474.91-2,554.66

Finding the Fourth Proportional to 3,969.13, 5,474.91 and 2,554.66

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Solution

The fourth proportional to 3,969.13, 5,474.91 and 2,554.66 is: 3,523.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,969.13 : 5,474.91 = 2,554.66 : x
  2. Step 2: Convert to fraction form
    3,969.13/5,474.91 = 2,554.66/x
  3. Step 3: Cross multiply
    3,969.13x = 5,474.91 × 2,554.66
  4. Step 4: Simplify right side
    3,969.13x = 13,986,533.58
  5. Step 5: Solve for x
    x = 13,986,533.58/3,969.13
  6. Step 6: Final answer
    x = 3,523.83

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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.