Home / 3,614.76-5,423.36-1,424.12

Finding the Fourth Proportional to 3,614.76, 5,423.36 and 1,424.12

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Solution

The fourth proportional to 3,614.76, 5,423.36 and 1,424.12 is: 2,136.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,614.76 : 5,423.36 = 1,424.12 : x
  2. Step 2: Convert to fraction form
    3,614.76/5,423.36 = 1,424.12/x
  3. Step 3: Cross multiply
    3,614.76x = 5,423.36 × 1,424.12
  4. Step 4: Simplify right side
    3,614.76x = 7,723,481.21
  5. Step 5: Solve for x
    x = 7,723,481.21/3,614.76
  6. Step 6: Final answer
    x = 2,136.65

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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.