Home / 3,103.94-4,654.11-1,253.54

Finding the Fourth Proportional to 3,103.94, 4,654.11 and 1,253.54

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Solution

The fourth proportional to 3,103.94, 4,654.11 and 1,253.54 is: 1,879.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,103.94 : 4,654.11 = 1,253.54 : x
  2. Step 2: Convert to fraction form
    3,103.94/4,654.11 = 1,253.54/x
  3. Step 3: Cross multiply
    3,103.94x = 4,654.11 × 1,253.54
  4. Step 4: Simplify right side
    3,103.94x = 5,834,113.05
  5. Step 5: Solve for x
    x = 5,834,113.05/3,103.94
  6. Step 6: Final answer
    x = 1,879.58

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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.