Home / 3,968.42-5,476.61-2,199.98

Finding the Fourth Proportional to 3,968.42, 5,476.61 and 2,199.98

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Solution

The fourth proportional to 3,968.42, 5,476.61 and 2,199.98 is: 3,036.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,968.42 : 5,476.61 = 2,199.98 : x
  2. Step 2: Convert to fraction form
    3,968.42/5,476.61 = 2,199.98/x
  3. Step 3: Cross multiply
    3,968.42x = 5,476.61 × 2,199.98
  4. Step 4: Simplify right side
    3,968.42x = 12,048,451.66
  5. Step 5: Solve for x
    x = 12,048,451.66/3,968.42
  6. Step 6: Final answer
    x = 3,036.09

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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.