Home / 3,808.44-5,258.16-2,928.84

Finding the Fourth Proportional to 3,808.44, 5,258.16 and 2,928.84

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Solution

The fourth proportional to 3,808.44, 5,258.16 and 2,928.84 is: 4,043.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,808.44 : 5,258.16 = 2,928.84 : x
  2. Step 2: Convert to fraction form
    3,808.44/5,258.16 = 2,928.84/x
  3. Step 3: Cross multiply
    3,808.44x = 5,258.16 × 2,928.84
  4. Step 4: Simplify right side
    3,808.44x = 15,400,309.33
  5. Step 5: Solve for x
    x = 15,400,309.33/3,808.44
  6. Step 6: Final answer
    x = 4,043.73

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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.