Home / 3,727-5,585.30-2,801.47

Finding the Fourth Proportional to 3,727, 5,585.30 and 2,801.47

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Solution

The fourth proportional to 3,727, 5,585.30 and 2,801.47 is: 4,198.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,727 : 5,585.30 = 2,801.47 : x
  2. Step 2: Convert to fraction form
    3,727/5,585.30 = 2,801.47/x
  3. Step 3: Cross multiply
    3,727x = 5,585.30 × 2,801.47
  4. Step 4: Simplify right side
    3,727x = 15,647,050.39
  5. Step 5: Solve for x
    x = 15,647,050.39/3,727
  6. Step 6: Final answer
    x = 4,198.30

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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.