Home / 2,659.11-3,668.94-1,997.55

Finding the Fourth Proportional to 2,659.11, 3,668.94 and 1,997.55

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Solution

The fourth proportional to 2,659.11, 3,668.94 and 1,997.55 is: 2,756.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,659.11 : 3,668.94 = 1,997.55 : x
  2. Step 2: Convert to fraction form
    2,659.11/3,668.94 = 1,997.55/x
  3. Step 3: Cross multiply
    2,659.11x = 3,668.94 × 1,997.55
  4. Step 4: Simplify right side
    2,659.11x = 7,328,891.10
  5. Step 5: Solve for x
    x = 7,328,891.10/2,659.11
  6. Step 6: Final answer
    x = 2,756.14

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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.