Home / 2,545.26-3,817.40-789.94

Finding the Fourth Proportional to 2,545.26, 3,817.40 and 789.94

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Solution

The fourth proportional to 2,545.26, 3,817.40 and 789.94 is: 1,184.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,545.26 : 3,817.40 = 789.94 : x
  2. Step 2: Convert to fraction form
    2,545.26/3,817.40 = 789.94/x
  3. Step 3: Cross multiply
    2,545.26x = 3,817.40 × 789.94
  4. Step 4: Simplify right side
    2,545.26x = 3,015,516.96
  5. Step 5: Solve for x
    x = 3,015,516.96/2,545.26
  6. Step 6: Final answer
    x = 1,184.76

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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.