Home / 3,908.45-5,395.43-2,494.04

Finding the Fourth Proportional to 3,908.45, 5,395.43 and 2,494.04

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Solution

The fourth proportional to 3,908.45, 5,395.43 and 2,494.04 is: 3,442.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,908.45 : 5,395.43 = 2,494.04 : x
  2. Step 2: Convert to fraction form
    3,908.45/5,395.43 = 2,494.04/x
  3. Step 3: Cross multiply
    3,908.45x = 5,395.43 × 2,494.04
  4. Step 4: Simplify right side
    3,908.45x = 13,456,378.79
  5. Step 5: Solve for x
    x = 13,456,378.79/3,908.45
  6. Step 6: Final answer
    x = 3,442.90

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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.