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Finding the Fourth Proportional to 2,743.39, 4,115.31 and 894.79

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Solution

The fourth proportional to 2,743.39, 4,115.31 and 894.79 is: 1,342.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,743.39 : 4,115.31 = 894.79 : x
  2. Step 2: Convert to fraction form
    2,743.39/4,115.31 = 894.79/x
  3. Step 3: Cross multiply
    2,743.39x = 4,115.31 × 894.79
  4. Step 4: Simplify right side
    2,743.39x = 3,682,338.23
  5. Step 5: Solve for x
    x = 3,682,338.23/2,743.39
  6. Step 6: Final answer
    x = 1,342.26

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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.