Home / 2,257.74-3,366.78-2,078.25

Finding the Fourth Proportional to 2,257.74, 3,366.78 and 2,078.25

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Solution

The fourth proportional to 2,257.74, 3,366.78 and 2,078.25 is: 3,099.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,257.74 : 3,366.78 = 2,078.25 : x
  2. Step 2: Convert to fraction form
    2,257.74/3,366.78 = 2,078.25/x
  3. Step 3: Cross multiply
    2,257.74x = 3,366.78 × 2,078.25
  4. Step 4: Simplify right side
    2,257.74x = 6,997,010.54
  5. Step 5: Solve for x
    x = 6,997,010.54/2,257.74
  6. Step 6: Final answer
    x = 3,099.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.