Home / 3,394.50-4,684.38-1,902.54

Finding the Fourth Proportional to 3,394.50, 4,684.38 and 1,902.54

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Solution

The fourth proportional to 3,394.50, 4,684.38 and 1,902.54 is: 2,625.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,394.50 : 4,684.38 = 1,902.54 : x
  2. Step 2: Convert to fraction form
    3,394.50/4,684.38 = 1,902.54/x
  3. Step 3: Cross multiply
    3,394.50x = 4,684.38 × 1,902.54
  4. Step 4: Simplify right side
    3,394.50x = 8,912,220.33
  5. Step 5: Solve for x
    x = 8,912,220.33/3,394.50
  6. Step 6: Final answer
    x = 2,625.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.