Home / 3,258.79-4,497.13-1,766.71

Finding the Fourth Proportional to 3,258.79, 4,497.13 and 1,766.71

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Solution

The fourth proportional to 3,258.79, 4,497.13 and 1,766.71 is: 2,438.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,258.79 : 4,497.13 = 1,766.71 : x
  2. Step 2: Convert to fraction form
    3,258.79/4,497.13 = 1,766.71/x
  3. Step 3: Cross multiply
    3,258.79x = 4,497.13 × 1,766.71
  4. Step 4: Simplify right side
    3,258.79x = 7,945,104.49
  5. Step 5: Solve for x
    x = 7,945,104.49/3,258.79
  6. Step 6: Final answer
    x = 2,438.06

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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.