Home / 2,680.43-3,696.23-2,620.08

Finding the Fourth Proportional to 2,680.43, 3,696.23 and 2,620.08

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Solution

The fourth proportional to 2,680.43, 3,696.23 and 2,620.08 is: 3,613.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,680.43 : 3,696.23 = 2,620.08 : x
  2. Step 2: Convert to fraction form
    2,680.43/3,696.23 = 2,620.08/x
  3. Step 3: Cross multiply
    2,680.43x = 3,696.23 × 2,620.08
  4. Step 4: Simplify right side
    2,680.43x = 9,684,424.85
  5. Step 5: Solve for x
    x = 9,684,424.85/2,680.43
  6. Step 6: Final answer
    x = 3,613.02

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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.