Home / 3,696.92-5,103.80-2,519.72

Finding the Fourth Proportional to 3,696.92, 5,103.80 and 2,519.72

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Solution

The fourth proportional to 3,696.92, 5,103.80 and 2,519.72 is: 3,478.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,696.92 : 5,103.80 = 2,519.72 : x
  2. Step 2: Convert to fraction form
    3,696.92/5,103.80 = 2,519.72/x
  3. Step 3: Cross multiply
    3,696.92x = 5,103.80 × 2,519.72
  4. Step 4: Simplify right side
    3,696.92x = 12,860,146.94
  5. Step 5: Solve for x
    x = 12,860,146.94/3,696.92
  6. Step 6: Final answer
    x = 3,478.61

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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.