Home / 3,285.21-4,925.97-1,092.78

Finding the Fourth Proportional to 3,285.21, 4,925.97 and 1,092.78

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Solution

The fourth proportional to 3,285.21, 4,925.97 and 1,092.78 is: 1,638.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,285.21 : 4,925.97 = 1,092.78 : x
  2. Step 2: Convert to fraction form
    3,285.21/4,925.97 = 1,092.78/x
  3. Step 3: Cross multiply
    3,285.21x = 4,925.97 × 1,092.78
  4. Step 4: Simplify right side
    3,285.21x = 5,383,001.50
  5. Step 5: Solve for x
    x = 5,383,001.50/3,285.21
  6. Step 6: Final answer
    x = 1,638.56

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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.