Home / 2,247.74-3,371.47-1,078.58

Finding the Fourth Proportional to 2,247.74, 3,371.47 and 1,078.58

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Solution

The fourth proportional to 2,247.74, 3,371.47 and 1,078.58 is: 1,617.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,247.74 : 3,371.47 = 1,078.58 : x
  2. Step 2: Convert to fraction form
    2,247.74/3,371.47 = 1,078.58/x
  3. Step 3: Cross multiply
    2,247.74x = 3,371.47 × 1,078.58
  4. Step 4: Simplify right side
    2,247.74x = 3,636,380.56
  5. Step 5: Solve for x
    x = 3,636,380.56/2,247.74
  6. Step 6: Final answer
    x = 1,617.79

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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.