Home / 3,214.26-4,821.22-1,239.52

Finding the Fourth Proportional to 3,214.26, 4,821.22 and 1,239.52

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Solution

The fourth proportional to 3,214.26, 4,821.22 and 1,239.52 is: 1,859.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,214.26 : 4,821.22 = 1,239.52 : x
  2. Step 2: Convert to fraction form
    3,214.26/4,821.22 = 1,239.52/x
  3. Step 3: Cross multiply
    3,214.26x = 4,821.22 × 1,239.52
  4. Step 4: Simplify right side
    3,214.26x = 5,975,998.61
  5. Step 5: Solve for x
    x = 5,975,998.61/3,214.26
  6. Step 6: Final answer
    x = 1,859.21

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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.