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Finding the Fourth Proportional to 2,863.92, 4,295.40 and 1,303.44

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Solution

The fourth proportional to 2,863.92, 4,295.40 and 1,303.44 is: 1,954.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,863.92 : 4,295.40 = 1,303.44 : x
  2. Step 2: Convert to fraction form
    2,863.92/4,295.40 = 1,303.44/x
  3. Step 3: Cross multiply
    2,863.92x = 4,295.40 × 1,303.44
  4. Step 4: Simplify right side
    2,863.92x = 5,598,796.18
  5. Step 5: Solve for x
    x = 5,598,796.18/2,863.92
  6. Step 6: Final answer
    x = 1,954.94

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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.