Home / 3,086.43-4,258.94-1,827.53

Finding the Fourth Proportional to 3,086.43, 4,258.94 and 1,827.53

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Solution

The fourth proportional to 3,086.43, 4,258.94 and 1,827.53 is: 2,521.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,086.43 : 4,258.94 = 1,827.53 : x
  2. Step 2: Convert to fraction form
    3,086.43/4,258.94 = 1,827.53/x
  3. Step 3: Cross multiply
    3,086.43x = 4,258.94 × 1,827.53
  4. Step 4: Simplify right side
    3,086.43x = 7,783,310.19
  5. Step 5: Solve for x
    x = 7,783,310.19/3,086.43
  6. Step 6: Final answer
    x = 2,521.78

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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.