Home / 3,258.86-4,497.25-1,766.78

Finding the Fourth Proportional to 3,258.86, 4,497.25 and 1,766.78

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Solution

The fourth proportional to 3,258.86, 4,497.25 and 1,766.78 is: 2,438.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,258.86 : 4,497.25 = 1,766.78 : x
  2. Step 2: Convert to fraction form
    3,258.86/4,497.25 = 1,766.78/x
  3. Step 3: Cross multiply
    3,258.86x = 4,497.25 × 1,766.78
  4. Step 4: Simplify right side
    3,258.86x = 7,945,658.18
  5. Step 5: Solve for x
    x = 7,945,658.18/3,258.86
  6. Step 6: Final answer
    x = 2,438.17

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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.