Home / 1,789.31-2,683.15-1,163.99

Finding the Fourth Proportional to 1,789.31, 2,683.15 and 1,163.99

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Solution

The fourth proportional to 1,789.31, 2,683.15 and 1,163.99 is: 1,745.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,789.31 : 2,683.15 = 1,163.99 : x
  2. Step 2: Convert to fraction form
    1,789.31/2,683.15 = 1,163.99/x
  3. Step 3: Cross multiply
    1,789.31x = 2,683.15 × 1,163.99
  4. Step 4: Simplify right side
    1,789.31x = 3,123,140.53
  5. Step 5: Solve for x
    x = 3,123,140.53/1,789.31
  6. Step 6: Final answer
    x = 1,745.45

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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.