Home / 3,968.26-5,475.97-2,199.80

Finding the Fourth Proportional to 3,968.26, 5,475.97 and 2,199.80

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Solution

The fourth proportional to 3,968.26, 5,475.97 and 2,199.80 is: 3,035.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,968.26 : 5,475.97 = 2,199.80 : x
  2. Step 2: Convert to fraction form
    3,968.26/5,475.97 = 2,199.80/x
  3. Step 3: Cross multiply
    3,968.26x = 5,475.97 × 2,199.80
  4. Step 4: Simplify right side
    3,968.26x = 12,046,038.81
  5. Step 5: Solve for x
    x = 12,046,038.81/3,968.26
  6. Step 6: Final answer
    x = 3,035.60

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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.