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Finding the Fourth Proportional to 1,883.37, 2,825.21 and 633.91

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Solution

The fourth proportional to 1,883.37, 2,825.21 and 633.91 is: 950.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,883.37 : 2,825.21 = 633.91 : x
  2. Step 2: Convert to fraction form
    1,883.37/2,825.21 = 633.91/x
  3. Step 3: Cross multiply
    1,883.37x = 2,825.21 × 633.91
  4. Step 4: Simplify right side
    1,883.37x = 1,790,928.87
  5. Step 5: Solve for x
    x = 1,790,928.87/1,883.37
  6. Step 6: Final answer
    x = 950.92

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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.