Home / 3,238.08-4,859.22-1,778.26

Finding the Fourth Proportional to 3,238.08, 4,859.22 and 1,778.26

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Solution

The fourth proportional to 3,238.08, 4,859.22 and 1,778.26 is: 2,668.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,238.08 : 4,859.22 = 1,778.26 : x
  2. Step 2: Convert to fraction form
    3,238.08/4,859.22 = 1,778.26/x
  3. Step 3: Cross multiply
    3,238.08x = 4,859.22 × 1,778.26
  4. Step 4: Simplify right side
    3,238.08x = 8,640,956.56
  5. Step 5: Solve for x
    x = 8,640,956.56/3,238.08
  6. Step 6: Final answer
    x = 2,668.54

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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.