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Finding the Fourth Proportional to 2,944, 4,415.24 and 863.44

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Solution

The fourth proportional to 2,944, 4,415.24 and 863.44 is: 1,294.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,944 : 4,415.24 = 863.44 : x
  2. Step 2: Convert to fraction form
    2,944/4,415.24 = 863.44/x
  3. Step 3: Cross multiply
    2,944x = 4,415.24 × 863.44
  4. Step 4: Simplify right side
    2,944x = 3,812,294.83
  5. Step 5: Solve for x
    x = 3,812,294.83/2,944
  6. Step 6: Final answer
    x = 1,294.94

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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.