Home / 3,867.62-5,801.42-1,402.43

Finding the Fourth Proportional to 3,867.62, 5,801.42 and 1,402.43

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Solution

The fourth proportional to 3,867.62, 5,801.42 and 1,402.43 is: 2,103.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,867.62 : 5,801.42 = 1,402.43 : x
  2. Step 2: Convert to fraction form
    3,867.62/5,801.42 = 1,402.43/x
  3. Step 3: Cross multiply
    3,867.62x = 5,801.42 × 1,402.43
  4. Step 4: Simplify right side
    3,867.62x = 8,136,103.46
  5. Step 5: Solve for x
    x = 8,136,103.46/3,867.62
  6. Step 6: Final answer
    x = 2,103.65

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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.