Home / 3,614.45-5,421.81-1,149.21

Finding the Fourth Proportional to 3,614.45, 5,421.81 and 1,149.21

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Solution

The fourth proportional to 3,614.45, 5,421.81 and 1,149.21 is: 1,723.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,614.45 : 5,421.81 = 1,149.21 : x
  2. Step 2: Convert to fraction form
    3,614.45/5,421.81 = 1,149.21/x
  3. Step 3: Cross multiply
    3,614.45x = 5,421.81 × 1,149.21
  4. Step 4: Simplify right side
    3,614.45x = 6,230,798.27
  5. Step 5: Solve for x
    x = 6,230,798.27/3,614.45
  6. Step 6: Final answer
    x = 1,723.86

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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.