Home / 3,286.35-4,931.42-1,825.38

Finding the Fourth Proportional to 3,286.35, 4,931.42 and 1,825.38

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Solution

The fourth proportional to 3,286.35, 4,931.42 and 1,825.38 is: 2,739.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,286.35 : 4,931.42 = 1,825.38 : x
  2. Step 2: Convert to fraction form
    3,286.35/4,931.42 = 1,825.38/x
  3. Step 3: Cross multiply
    3,286.35x = 4,931.42 × 1,825.38
  4. Step 4: Simplify right side
    3,286.35x = 9,001,715.44
  5. Step 5: Solve for x
    x = 9,001,715.44/3,286.35
  6. Step 6: Final answer
    x = 2,739.12

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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.