Home / 3,940.07-5,433.41-3,344.19

Finding the Fourth Proportional to 3,940.07, 5,433.41 and 3,344.19

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Solution

The fourth proportional to 3,940.07, 5,433.41 and 3,344.19 is: 4,611.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,940.07 : 5,433.41 = 3,344.19 : x
  2. Step 2: Convert to fraction form
    3,940.07/5,433.41 = 3,344.19/x
  3. Step 3: Cross multiply
    3,940.07x = 5,433.41 × 3,344.19
  4. Step 4: Simplify right side
    3,940.07x = 18,170,338.67
  5. Step 5: Solve for x
    x = 18,170,338.67/3,940.07
  6. Step 6: Final answer
    x = 4,611.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.