Home / 3,258.15-4,494.72-2,078.47

Finding the Fourth Proportional to 3,258.15, 4,494.72 and 2,078.47

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Solution

The fourth proportional to 3,258.15, 4,494.72 and 2,078.47 is: 2,867.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,258.15 : 4,494.72 = 2,078.47 : x
  2. Step 2: Convert to fraction form
    3,258.15/4,494.72 = 2,078.47/x
  3. Step 3: Cross multiply
    3,258.15x = 4,494.72 × 2,078.47
  4. Step 4: Simplify right side
    3,258.15x = 9,342,140.68
  5. Step 5: Solve for x
    x = 9,342,140.68/3,258.15
  6. Step 6: Final answer
    x = 2,867.32

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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.