Home / 3,940.17-5,911.61-1,344.93

Finding the Fourth Proportional to 3,940.17, 5,911.61 and 1,344.93

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Solution

The fourth proportional to 3,940.17, 5,911.61 and 1,344.93 is: 2,017.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,940.17 : 5,911.61 = 1,344.93 : x
  2. Step 2: Convert to fraction form
    3,940.17/5,911.61 = 1,344.93/x
  3. Step 3: Cross multiply
    3,940.17x = 5,911.61 × 1,344.93
  4. Step 4: Simplify right side
    3,940.17x = 7,950,725.49
  5. Step 5: Solve for x
    x = 7,950,725.49/3,940.17
  6. Step 6: Final answer
    x = 2,017.86

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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.