Home / 3,258.71-4,497-1,766.61

Finding the Fourth Proportional to 3,258.71, 4,497 and 1,766.61

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Solution

The fourth proportional to 3,258.71, 4,497 and 1,766.61 is: 2,437.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,258.71 : 4,497 = 1,766.61 : x
  2. Step 2: Convert to fraction form
    3,258.71/4,497 = 1,766.61/x
  3. Step 3: Cross multiply
    3,258.71x = 4,497 × 1,766.61
  4. Step 4: Simplify right side
    3,258.71x = 7,944,445.17
  5. Step 5: Solve for x
    x = 7,944,445.17/3,258.71
  6. Step 6: Final answer
    x = 2,437.91

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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.