Home / 3,685.26-5,527.08-2,121.96

Finding the Fourth Proportional to 3,685.26, 5,527.08 and 2,121.96

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Solution

The fourth proportional to 3,685.26, 5,527.08 and 2,121.96 is: 3,182.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,685.26 : 5,527.08 = 2,121.96 : x
  2. Step 2: Convert to fraction form
    3,685.26/5,527.08 = 2,121.96/x
  3. Step 3: Cross multiply
    3,685.26x = 5,527.08 × 2,121.96
  4. Step 4: Simplify right side
    3,685.26x = 11,728,242.68
  5. Step 5: Solve for x
    x = 11,728,242.68/3,685.26
  6. Step 6: Final answer
    x = 3,182.47

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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.