Home / 3,968.36-5,476.72-2,199.96

Finding the Fourth Proportional to 3,968.36, 5,476.72 and 2,199.96

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Solution

The fourth proportional to 3,968.36, 5,476.72 and 2,199.96 is: 3,036.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,968.36 : 5,476.72 = 2,199.96 : x
  2. Step 2: Convert to fraction form
    3,968.36/5,476.72 = 2,199.96/x
  3. Step 3: Cross multiply
    3,968.36x = 5,476.72 × 2,199.96
  4. Step 4: Simplify right side
    3,968.36x = 12,048,564.93
  5. Step 5: Solve for x
    x = 12,048,564.93/3,968.36
  6. Step 6: Final answer
    x = 3,036.16

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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.