Home / 3,834.81-5,747.22-2,784.15

Finding the Fourth Proportional to 3,834.81, 5,747.22 and 2,784.15

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Solution

The fourth proportional to 3,834.81, 5,747.22 and 2,784.15 is: 4,172.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,834.81 : 5,747.22 = 2,784.15 : x
  2. Step 2: Convert to fraction form
    3,834.81/5,747.22 = 2,784.15/x
  3. Step 3: Cross multiply
    3,834.81x = 5,747.22 × 2,784.15
  4. Step 4: Simplify right side
    3,834.81x = 16,001,122.56
  5. Step 5: Solve for x
    x = 16,001,122.56/3,834.81
  6. Step 6: Final answer
    x = 4,172.60

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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.