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Finding the Fourth Proportional to 2,169.02, 3,253.54 and 630.02

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Solution

The fourth proportional to 2,169.02, 3,253.54 and 630.02 is: 945.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,169.02 : 3,253.54 = 630.02 : x
  2. Step 2: Convert to fraction form
    2,169.02/3,253.54 = 630.02/x
  3. Step 3: Cross multiply
    2,169.02x = 3,253.54 × 630.02
  4. Step 4: Simplify right side
    2,169.02x = 2,049,795.27
  5. Step 5: Solve for x
    x = 2,049,795.27/2,169.02
  6. Step 6: Final answer
    x = 945.03

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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.