Home / 2,786.46-4,181.06-1,969.98

Finding the Fourth Proportional to 2,786.46, 4,181.06 and 1,969.98

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Solution

The fourth proportional to 2,786.46, 4,181.06 and 1,969.98 is: 2,955.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,786.46 : 4,181.06 = 1,969.98 : x
  2. Step 2: Convert to fraction form
    2,786.46/4,181.06 = 1,969.98/x
  3. Step 3: Cross multiply
    2,786.46x = 4,181.06 × 1,969.98
  4. Step 4: Simplify right side
    2,786.46x = 8,236,594.73
  5. Step 5: Solve for x
    x = 8,236,594.73/2,786.46
  6. Step 6: Final answer
    x = 2,955.94

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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.