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Finding the Fourth Proportional to 3,884, 5,826 and 1,575.50

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Solution

The fourth proportional to 3,884, 5,826 and 1,575.50 is: 2,363.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,884 : 5,826 = 1,575.50 : x
  2. Step 2: Convert to fraction form
    3,884/5,826 = 1,575.50/x
  3. Step 3: Cross multiply
    3,884x = 5,826 × 1,575.50
  4. Step 4: Simplify right side
    3,884x = 9,178,863
  5. Step 5: Solve for x
    x = 9,178,863/3,884
  6. Step 6: Final answer
    x = 2,363.25

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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.