Home / 3,165.54-4,369.82-2,175.92

Finding the Fourth Proportional to 3,165.54, 4,369.82 and 2,175.92

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Solution

The fourth proportional to 3,165.54, 4,369.82 and 2,175.92 is: 3,003.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,165.54 : 4,369.82 = 2,175.92 : x
  2. Step 2: Convert to fraction form
    3,165.54/4,369.82 = 2,175.92/x
  3. Step 3: Cross multiply
    3,165.54x = 4,369.82 × 2,175.92
  4. Step 4: Simplify right side
    3,165.54x = 9,508,367.85
  5. Step 5: Solve for x
    x = 9,508,367.85/3,165.54
  6. Step 6: Final answer
    x = 3,003.72

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1.5x scale

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.