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Finding the Fourth Proportional to 2,274.09, 3,411.09 and 630.60

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Solution

The fourth proportional to 2,274.09, 3,411.09 and 630.60 is: 945.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,274.09 : 3,411.09 = 630.60 : x
  2. Step 2: Convert to fraction form
    2,274.09/3,411.09 = 630.60/x
  3. Step 3: Cross multiply
    2,274.09x = 3,411.09 × 630.60
  4. Step 4: Simplify right side
    2,274.09x = 2,151,033.35
  5. Step 5: Solve for x
    x = 2,151,033.35/2,274.09
  6. Step 6: Final answer
    x = 945.89

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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.