Home / 2,143.44-3,212.60-1,103.94

Finding the Fourth Proportional to 2,143.44, 3,212.60 and 1,103.94

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Solution

The fourth proportional to 2,143.44, 3,212.60 and 1,103.94 is: 1,654.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,143.44 : 3,212.60 = 1,103.94 : x
  2. Step 2: Convert to fraction form
    2,143.44/3,212.60 = 1,103.94/x
  3. Step 3: Cross multiply
    2,143.44x = 3,212.60 × 1,103.94
  4. Step 4: Simplify right side
    2,143.44x = 3,546,512.12
  5. Step 5: Solve for x
    x = 3,546,512.12/2,143.44
  6. Step 6: Final answer
    x = 1,654.59

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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.