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Finding the Fourth Proportional to 3,684.85, 5,523.09 and 1,834.09

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Solution

The fourth proportional to 3,684.85, 5,523.09 and 1,834.09 is: 2,749.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,684.85 : 5,523.09 = 1,834.09 : x
  2. Step 2: Convert to fraction form
    3,684.85/5,523.09 = 1,834.09/x
  3. Step 3: Cross multiply
    3,684.85x = 5,523.09 × 1,834.09
  4. Step 4: Simplify right side
    3,684.85x = 10,129,844.14
  5. Step 5: Solve for x
    x = 10,129,844.14/3,684.85
  6. Step 6: Final answer
    x = 2,749.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.