Home / 2,228.25-3,074.92-1,219.93

Finding the Fourth Proportional to 2,228.25, 3,074.92 and 1,219.93

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Solution

The fourth proportional to 2,228.25, 3,074.92 and 1,219.93 is: 1,683.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,228.25 : 3,074.92 = 1,219.93 : x
  2. Step 2: Convert to fraction form
    2,228.25/3,074.92 = 1,219.93/x
  3. Step 3: Cross multiply
    2,228.25x = 3,074.92 × 1,219.93
  4. Step 4: Simplify right side
    2,228.25x = 3,751,187.16
  5. Step 5: Solve for x
    x = 3,751,187.16/2,228.25
  6. Step 6: Final answer
    x = 1,683.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.