Home / 2,743.26-4,105.31-1,964.14

Finding the Fourth Proportional to 2,743.26, 4,105.31 and 1,964.14

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Solution

The fourth proportional to 2,743.26, 4,105.31 and 1,964.14 is: 2,939.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,743.26 : 4,105.31 = 1,964.14 : x
  2. Step 2: Convert to fraction form
    2,743.26/4,105.31 = 1,964.14/x
  3. Step 3: Cross multiply
    2,743.26x = 4,105.31 × 1,964.14
  4. Step 4: Simplify right side
    2,743.26x = 8,063,403.58
  5. Step 5: Solve for x
    x = 8,063,403.58/2,743.26
  6. Step 6: Final answer
    x = 2,939.35

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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.