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Finding the Fourth Proportional to 2,273.90, 3,410.48 and 630.62

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Solution

The fourth proportional to 2,273.90, 3,410.48 and 630.62 is: 945.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,273.90 : 3,410.48 = 630.62 : x
  2. Step 2: Convert to fraction form
    2,273.90/3,410.48 = 630.62/x
  3. Step 3: Cross multiply
    2,273.90x = 3,410.48 × 630.62
  4. Step 4: Simplify right side
    2,273.90x = 2,150,696.69
  5. Step 5: Solve for x
    x = 2,150,696.69/2,273.90
  6. Step 6: Final answer
    x = 945.82

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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.