Home / 3,101.94-4,274.91-2,107.26

Finding the Fourth Proportional to 3,101.94, 4,274.91 and 2,107.26

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Solution

The fourth proportional to 3,101.94, 4,274.91 and 2,107.26 is: 2,904.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,101.94 : 4,274.91 = 2,107.26 : x
  2. Step 2: Convert to fraction form
    3,101.94/4,274.91 = 2,107.26/x
  3. Step 3: Cross multiply
    3,101.94x = 4,274.91 × 2,107.26
  4. Step 4: Simplify right side
    3,101.94x = 9,008,346.85
  5. Step 5: Solve for x
    x = 9,008,346.85/3,101.94
  6. Step 6: Final answer
    x = 2,904.10

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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.