Home / 3,194.10-4,778.46-2,538

Finding the Fourth Proportional to 3,194.10, 4,778.46 and 2,538

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Solution

The fourth proportional to 3,194.10, 4,778.46 and 2,538 is: 3,796.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,194.10 : 4,778.46 = 2,538 : x
  2. Step 2: Convert to fraction form
    3,194.10/4,778.46 = 2,538/x
  3. Step 3: Cross multiply
    3,194.10x = 4,778.46 × 2,538
  4. Step 4: Simplify right side
    3,194.10x = 12,127,731.48
  5. Step 5: Solve for x
    x = 12,127,731.48/3,194.10
  6. Step 6: Final answer
    x = 3,796.92

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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.