Home / 3,968.34-5,476.44-2,200.11

Finding the Fourth Proportional to 3,968.34, 5,476.44 and 2,200.11

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Solution

The fourth proportional to 3,968.34, 5,476.44 and 2,200.11 is: 3,036.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,968.34 : 5,476.44 = 2,200.11 : x
  2. Step 2: Convert to fraction form
    3,968.34/5,476.44 = 2,200.11/x
  3. Step 3: Cross multiply
    3,968.34x = 5,476.44 × 2,200.11
  4. Step 4: Simplify right side
    3,968.34x = 12,048,770.41
  5. Step 5: Solve for x
    x = 12,048,770.41/3,968.34
  6. Step 6: Final answer
    x = 3,036.22

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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.