Home / 3,445.73-5,168.61-1,105.73

Finding the Fourth Proportional to 3,445.73, 5,168.61 and 1,105.73

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Solution

The fourth proportional to 3,445.73, 5,168.61 and 1,105.73 is: 1,658.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,445.73 : 5,168.61 = 1,105.73 : x
  2. Step 2: Convert to fraction form
    3,445.73/5,168.61 = 1,105.73/x
  3. Step 3: Cross multiply
    3,445.73x = 5,168.61 × 1,105.73
  4. Step 4: Simplify right side
    3,445.73x = 5,715,087.14
  5. Step 5: Solve for x
    x = 5,715,087.14/3,445.73
  6. Step 6: Final answer
    x = 1,658.60

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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.