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Finding the Fourth Proportional to 2,363.21, 3,544.92 and 631.85

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Solution

The fourth proportional to 2,363.21, 3,544.92 and 631.85 is: 947.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,363.21 : 3,544.92 = 631.85 : x
  2. Step 2: Convert to fraction form
    2,363.21/3,544.92 = 631.85/x
  3. Step 3: Cross multiply
    2,363.21x = 3,544.92 × 631.85
  4. Step 4: Simplify right side
    2,363.21x = 2,239,857.70
  5. Step 5: Solve for x
    x = 2,239,857.70/2,363.21
  6. Step 6: Final answer
    x = 947.80

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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.