Home / 3,238.54-4,469.53-1,980.33

Finding the Fourth Proportional to 3,238.54, 4,469.53 and 1,980.33

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Solution

The fourth proportional to 3,238.54, 4,469.53 and 1,980.33 is: 2,733.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,238.54 : 4,469.53 = 1,980.33 : x
  2. Step 2: Convert to fraction form
    3,238.54/4,469.53 = 1,980.33/x
  3. Step 3: Cross multiply
    3,238.54x = 4,469.53 × 1,980.33
  4. Step 4: Simplify right side
    3,238.54x = 8,851,144.34
  5. Step 5: Solve for x
    x = 8,851,144.34/3,238.54
  6. Step 6: Final answer
    x = 2,733.07

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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.