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Finding the Fourth Proportional to 3,225, 4,450.50 and 1,753

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Solution

The fourth proportional to 3,225, 4,450.50 and 1,753 is: 2,419.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,225 : 4,450.50 = 1,753 : x
  2. Step 2: Convert to fraction form
    3,225/4,450.50 = 1,753/x
  3. Step 3: Cross multiply
    3,225x = 4,450.50 × 1,753
  4. Step 4: Simplify right side
    3,225x = 7,801,726.50
  5. Step 5: Solve for x
    x = 7,801,726.50/3,225
  6. Step 6: Final answer
    x = 2,419.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.