Home / 3,910.25-5,865.75-1,136.17

Finding the Fourth Proportional to 3,910.25, 5,865.75 and 1,136.17

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Solution

The fourth proportional to 3,910.25, 5,865.75 and 1,136.17 is: 1,704.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,910.25 : 5,865.75 = 1,136.17 : x
  2. Step 2: Convert to fraction form
    3,910.25/5,865.75 = 1,136.17/x
  3. Step 3: Cross multiply
    3,910.25x = 5,865.75 × 1,136.17
  4. Step 4: Simplify right side
    3,910.25x = 6,664,489.18
  5. Step 5: Solve for x
    x = 6,664,489.18/3,910.25
  6. Step 6: Final answer
    x = 1,704.37

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1.5x scale

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.