Home / 3,962.81-5,468.91-2,194.45

Finding the Fourth Proportional to 3,962.81, 5,468.91 and 2,194.45

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Solution

The fourth proportional to 3,962.81, 5,468.91 and 2,194.45 is: 3,028.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,962.81 : 5,468.91 = 2,194.45 : x
  2. Step 2: Convert to fraction form
    3,962.81/5,468.91 = 2,194.45/x
  3. Step 3: Cross multiply
    3,962.81x = 5,468.91 × 2,194.45
  4. Step 4: Simplify right side
    3,962.81x = 12,001,249.55
  5. Step 5: Solve for x
    x = 12,001,249.55/3,962.81
  6. Step 6: Final answer
    x = 3,028.47

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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.