Home / 2,144.26-3,216.50-605.38

Finding the Fourth Proportional to 2,144.26, 3,216.50 and 605.38

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Solution

The fourth proportional to 2,144.26, 3,216.50 and 605.38 is: 908.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,144.26 : 3,216.50 = 605.38 : x
  2. Step 2: Convert to fraction form
    2,144.26/3,216.50 = 605.38/x
  3. Step 3: Cross multiply
    2,144.26x = 3,216.50 × 605.38
  4. Step 4: Simplify right side
    2,144.26x = 1,947,204.77
  5. Step 5: Solve for x
    x = 1,947,204.77/2,144.26
  6. Step 6: Final answer
    x = 908.10

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Double scale
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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.