Home / 3,814.52-5,721.98-1,217.25

Finding the Fourth Proportional to 3,814.52, 5,721.98 and 1,217.25

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Solution

The fourth proportional to 3,814.52, 5,721.98 and 1,217.25 is: 1,825.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,814.52 : 5,721.98 = 1,217.25 : x
  2. Step 2: Convert to fraction form
    3,814.52/5,721.98 = 1,217.25/x
  3. Step 3: Cross multiply
    3,814.52x = 5,721.98 × 1,217.25
  4. Step 4: Simplify right side
    3,814.52x = 6,965,080.16
  5. Step 5: Solve for x
    x = 6,965,080.16/3,814.52
  6. Step 6: Final answer
    x = 1,825.94

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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.