Home / 3,661.08-5,051.97-2,168.75

Finding the Fourth Proportional to 3,661.08, 5,051.97 and 2,168.75

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Solution

The fourth proportional to 3,661.08, 5,051.97 and 2,168.75 is: 2,992.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,661.08 : 5,051.97 = 2,168.75 : x
  2. Step 2: Convert to fraction form
    3,661.08/5,051.97 = 2,168.75/x
  3. Step 3: Cross multiply
    3,661.08x = 5,051.97 × 2,168.75
  4. Step 4: Simplify right side
    3,661.08x = 10,956,434.68
  5. Step 5: Solve for x
    x = 10,956,434.68/3,661.08
  6. Step 6: Final answer
    x = 2,992.68

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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.