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Finding the Fourth Proportional to 2,743.93, 4,115.97 and 895.06

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Solution

The fourth proportional to 2,743.93, 4,115.97 and 895.06 is: 1,342.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,743.93 : 4,115.97 = 895.06 : x
  2. Step 2: Convert to fraction form
    2,743.93/4,115.97 = 895.06/x
  3. Step 3: Cross multiply
    2,743.93x = 4,115.97 × 895.06
  4. Step 4: Simplify right side
    2,743.93x = 3,684,040.11
  5. Step 5: Solve for x
    x = 3,684,040.11/2,743.93
  6. Step 6: Final answer
    x = 1,342.61

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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.