Home / 3,258-4,890.92-2,744.46

Finding the Fourth Proportional to 3,258, 4,890.92 and 2,744.46

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Solution

The fourth proportional to 3,258, 4,890.92 and 2,744.46 is: 4,119.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,258 : 4,890.92 = 2,744.46 : x
  2. Step 2: Convert to fraction form
    3,258/4,890.92 = 2,744.46/x
  3. Step 3: Cross multiply
    3,258x = 4,890.92 × 2,744.46
  4. Step 4: Simplify right side
    3,258x = 13,422,920.58
  5. Step 5: Solve for x
    x = 13,422,920.58/3,258
  6. Step 6: Final answer
    x = 4,119.99

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.