Home / 3,965.13-5,474.13-2,708.01

Finding the Fourth Proportional to 3,965.13, 5,474.13 and 2,708.01

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Solution

The fourth proportional to 3,965.13, 5,474.13 and 2,708.01 is: 3,738.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,965.13 : 5,474.13 = 2,708.01 : x
  2. Step 2: Convert to fraction form
    3,965.13/5,474.13 = 2,708.01/x
  3. Step 3: Cross multiply
    3,965.13x = 5,474.13 × 2,708.01
  4. Step 4: Simplify right side
    3,965.13x = 14,823,998.78
  5. Step 5: Solve for x
    x = 14,823,998.78/3,965.13
  6. Step 6: Final answer
    x = 3,738.59

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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.