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Finding the Fourth Proportional to 2,838.94, 4,258.06 and 759.10

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Solution

The fourth proportional to 2,838.94, 4,258.06 and 759.10 is: 1,138.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,838.94 : 4,258.06 = 759.10 : x
  2. Step 2: Convert to fraction form
    2,838.94/4,258.06 = 759.10/x
  3. Step 3: Cross multiply
    2,838.94x = 4,258.06 × 759.10
  4. Step 4: Simplify right side
    2,838.94x = 3,232,293.35
  5. Step 5: Solve for x
    x = 3,232,293.35/2,838.94
  6. Step 6: Final answer
    x = 1,138.56

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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.