Home / 3,087.24-4,258.34-2,203.54

Finding the Fourth Proportional to 3,087.24, 4,258.34 and 2,203.54

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Solution

The fourth proportional to 3,087.24, 4,258.34 and 2,203.54 is: 3,039.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,087.24 : 4,258.34 = 2,203.54 : x
  2. Step 2: Convert to fraction form
    3,087.24/4,258.34 = 2,203.54/x
  3. Step 3: Cross multiply
    3,087.24x = 4,258.34 × 2,203.54
  4. Step 4: Simplify right side
    3,087.24x = 9,383,422.52
  5. Step 5: Solve for x
    x = 9,383,422.52/3,087.24
  6. Step 6: Final answer
    x = 3,039.42

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1.5x scale

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.