Home / 3,403.22-5,105.54-1,211.94

Finding the Fourth Proportional to 3,403.22, 5,105.54 and 1,211.94

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Solution

The fourth proportional to 3,403.22, 5,105.54 and 1,211.94 is: 1,818.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,403.22 : 5,105.54 = 1,211.94 : x
  2. Step 2: Convert to fraction form
    3,403.22/5,105.54 = 1,211.94/x
  3. Step 3: Cross multiply
    3,403.22x = 5,105.54 × 1,211.94
  4. Step 4: Simplify right side
    3,403.22x = 6,187,608.15
  5. Step 5: Solve for x
    x = 6,187,608.15/3,403.22
  6. Step 6: Final answer
    x = 1,818.16

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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.