Home / 3,255.86-4,847.56-3,209.85

Finding the Fourth Proportional to 3,255.86, 4,847.56 and 3,209.85

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Solution

The fourth proportional to 3,255.86, 4,847.56 and 3,209.85 is: 4,779.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,255.86 : 4,847.56 = 3,209.85 : x
  2. Step 2: Convert to fraction form
    3,255.86/4,847.56 = 3,209.85/x
  3. Step 3: Cross multiply
    3,255.86x = 4,847.56 × 3,209.85
  4. Step 4: Simplify right side
    3,255.86x = 15,559,932.44
  5. Step 5: Solve for x
    x = 15,559,932.44/3,255.86
  6. Step 6: Final answer
    x = 4,779.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.