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Finding the Fourth Proportional to 3,763.62, 5,643.87 and 1,423.22

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Solution

The fourth proportional to 3,763.62, 5,643.87 and 1,423.22 is: 2,134.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,763.62 : 5,643.87 = 1,423.22 : x
  2. Step 2: Convert to fraction form
    3,763.62/5,643.87 = 1,423.22/x
  3. Step 3: Cross multiply
    3,763.62x = 5,643.87 × 1,423.22
  4. Step 4: Simplify right side
    3,763.62x = 8,032,468.66
  5. Step 5: Solve for x
    x = 8,032,468.66/3,763.62
  6. Step 6: Final answer
    x = 2,134.24

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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.