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Finding the Fourth Proportional to 2,169.52, 3,254.80 and 630.52

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Solution

The fourth proportional to 2,169.52, 3,254.80 and 630.52 is: 945.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,169.52 : 3,254.80 = 630.52 : x
  2. Step 2: Convert to fraction form
    2,169.52/3,254.80 = 630.52/x
  3. Step 3: Cross multiply
    2,169.52x = 3,254.80 × 630.52
  4. Step 4: Simplify right side
    2,169.52x = 2,052,216.50
  5. Step 5: Solve for x
    x = 2,052,216.50/2,169.52
  6. Step 6: Final answer
    x = 945.93

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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.