Home / 3,951.06-5,452.44-2,182.80

Finding the Fourth Proportional to 3,951.06, 5,452.44 and 2,182.80

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Solution

The fourth proportional to 3,951.06, 5,452.44 and 2,182.80 is: 3,012.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,951.06 : 5,452.44 = 2,182.80 : x
  2. Step 2: Convert to fraction form
    3,951.06/5,452.44 = 2,182.80/x
  3. Step 3: Cross multiply
    3,951.06x = 5,452.44 × 2,182.80
  4. Step 4: Simplify right side
    3,951.06x = 11,901,586.03
  5. Step 5: Solve for x
    x = 11,901,586.03/3,951.06
  6. Step 6: Final answer
    x = 3,012.25

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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.