Home / 3,962.64-5,467.88-2,194.20

Finding the Fourth Proportional to 3,962.64, 5,467.88 and 2,194.20

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Solution

The fourth proportional to 3,962.64, 5,467.88 and 2,194.20 is: 3,027.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,962.64 : 5,467.88 = 2,194.20 : x
  2. Step 2: Convert to fraction form
    3,962.64/5,467.88 = 2,194.20/x
  3. Step 3: Cross multiply
    3,962.64x = 5,467.88 × 2,194.20
  4. Step 4: Simplify right side
    3,962.64x = 11,997,622.30
  5. Step 5: Solve for x
    x = 11,997,622.30/3,962.64
  6. Step 6: Final answer
    x = 3,027.68

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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.