Home / 2,246.28-3,370.64-786.48

Finding the Fourth Proportional to 2,246.28, 3,370.64 and 786.48

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Solution

The fourth proportional to 2,246.28, 3,370.64 and 786.48 is: 1,180.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,246.28 : 3,370.64 = 786.48 : x
  2. Step 2: Convert to fraction form
    2,246.28/3,370.64 = 786.48/x
  3. Step 3: Cross multiply
    2,246.28x = 3,370.64 × 786.48
  4. Step 4: Simplify right side
    2,246.28x = 2,650,940.95
  5. Step 5: Solve for x
    x = 2,650,940.95/2,246.28
  6. Step 6: Final answer
    x = 1,180.15

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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.