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Finding the Fourth Proportional to 2,850, 3,933.27 and 2,253.30

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Solution

The fourth proportional to 2,850, 3,933.27 and 2,253.30 is: 3,109.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,850 : 3,933.27 = 2,253.30 : x
  2. Step 2: Convert to fraction form
    2,850/3,933.27 = 2,253.30/x
  3. Step 3: Cross multiply
    2,850x = 3,933.27 × 2,253.30
  4. Step 4: Simplify right side
    2,850x = 8,862,837.29
  5. Step 5: Solve for x
    x = 8,862,837.29/2,850
  6. Step 6: Final answer
    x = 3,109.77

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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.