Home / 3,179.98-4,383.77-2,232.89

Finding the Fourth Proportional to 3,179.98, 4,383.77 and 2,232.89

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Solution

The fourth proportional to 3,179.98, 4,383.77 and 2,232.89 is: 3,078.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,179.98 : 4,383.77 = 2,232.89 : x
  2. Step 2: Convert to fraction form
    3,179.98/4,383.77 = 2,232.89/x
  3. Step 3: Cross multiply
    3,179.98x = 4,383.77 × 2,232.89
  4. Step 4: Simplify right side
    3,179.98x = 9,788,459.55
  5. Step 5: Solve for x
    x = 9,788,459.55/3,179.98
  6. Step 6: Final answer
    x = 3,078.15

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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.