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Finding the Fourth Proportional to 1,883.31, 2,824.92 and 496.65

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Solution

The fourth proportional to 1,883.31, 2,824.92 and 496.65 is: 744.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,883.31 : 2,824.92 = 496.65 : x
  2. Step 2: Convert to fraction form
    1,883.31/2,824.92 = 496.65/x
  3. Step 3: Cross multiply
    1,883.31x = 2,824.92 × 496.65
  4. Step 4: Simplify right side
    1,883.31x = 1,403,007.11
  5. Step 5: Solve for x
    x = 1,403,007.11/1,883.31
  6. Step 6: Final answer
    x = 744.97

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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.