Home / 3,827.39-5,743.27-1,487.09

Finding the Fourth Proportional to 3,827.39, 5,743.27 and 1,487.09

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Solution

The fourth proportional to 3,827.39, 5,743.27 and 1,487.09 is: 2,231.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,827.39 : 5,743.27 = 1,487.09 : x
  2. Step 2: Convert to fraction form
    3,827.39/5,743.27 = 1,487.09/x
  3. Step 3: Cross multiply
    3,827.39x = 5,743.27 × 1,487.09
  4. Step 4: Simplify right side
    3,827.39x = 8,540,759.38
  5. Step 5: Solve for x
    x = 8,540,759.38/3,827.39
  6. Step 6: Final answer
    x = 2,231.48

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1.5x scale

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.