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Finding the Fourth Proportional to 2,813.50, 3,883.44 and 1,882

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Solution

The fourth proportional to 2,813.50, 3,883.44 and 1,882 is: 2,597.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,813.50 : 3,883.44 = 1,882 : x
  2. Step 2: Convert to fraction form
    2,813.50/3,883.44 = 1,882/x
  3. Step 3: Cross multiply
    2,813.50x = 3,883.44 × 1,882
  4. Step 4: Simplify right side
    2,813.50x = 7,308,634.08
  5. Step 5: Solve for x
    x = 7,308,634.08/2,813.50
  6. Step 6: Final answer
    x = 2,597.70

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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.