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Finding the Fourth Proportional to 1,789.00, 2,683.50 and 633.94

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Solution

The fourth proportional to 1,789.00, 2,683.50 and 633.94 is: 950.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,789.00 : 2,683.50 = 633.94 : x
  2. Step 2: Convert to fraction form
    1,789.00/2,683.50 = 633.94/x
  3. Step 3: Cross multiply
    1,789.00x = 2,683.50 × 633.94
  4. Step 4: Simplify right side
    1,789.00x = 1,701,168.90
  5. Step 5: Solve for x
    x = 1,701,168.90/1,789.00
  6. Step 6: Final answer
    x = 950.91

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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.