Home / 4,129.56-6,194.34-2,185.56

Finding the Fourth Proportional to 4,129.56, 6,194.34 and 2,185.56

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Solution

The fourth proportional to 4,129.56, 6,194.34 and 2,185.56 is: 3,278.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,129.56 : 6,194.34 = 2,185.56 : x
  2. Step 2: Convert to fraction form
    4,129.56/6,194.34 = 2,185.56/x
  3. Step 3: Cross multiply
    4,129.56x = 6,194.34 × 2,185.56
  4. Step 4: Simplify right side
    4,129.56x = 13,538,101.73
  5. Step 5: Solve for x
    x = 13,538,101.73/4,129.56
  6. Step 6: Final answer
    x = 3,278.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.