Home / 3,889.20-5,834.67-1,423.97

Finding the Fourth Proportional to 3,889.20, 5,834.67 and 1,423.97

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Solution

The fourth proportional to 3,889.20, 5,834.67 and 1,423.97 is: 2,136.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,889.20 : 5,834.67 = 1,423.97 : x
  2. Step 2: Convert to fraction form
    3,889.20/5,834.67 = 1,423.97/x
  3. Step 3: Cross multiply
    3,889.20x = 5,834.67 × 1,423.97
  4. Step 4: Simplify right side
    3,889.20x = 8,308,395.04
  5. Step 5: Solve for x
    x = 8,308,395.04/3,889.20
  6. Step 6: Final answer
    x = 2,136.27

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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.