Home / 3,614.23-5,423.10-1,424.80

Finding the Fourth Proportional to 3,614.23, 5,423.10 and 1,424.80

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Solution

The fourth proportional to 3,614.23, 5,423.10 and 1,424.80 is: 2,137.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,614.23 : 5,423.10 = 1,424.80 : x
  2. Step 2: Convert to fraction form
    3,614.23/5,423.10 = 1,424.80/x
  3. Step 3: Cross multiply
    3,614.23x = 5,423.10 × 1,424.80
  4. Step 4: Simplify right side
    3,614.23x = 7,726,832.88
  5. Step 5: Solve for x
    x = 7,726,832.88/3,614.23
  6. Step 6: Final answer
    x = 2,137.89

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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.