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Finding the Fourth Proportional to 3,013.50, 4,520.52 and 961.50

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Solution

The fourth proportional to 3,013.50, 4,520.52 and 961.50 is: 1,442.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,013.50 : 4,520.52 = 961.50 : x
  2. Step 2: Convert to fraction form
    3,013.50/4,520.52 = 961.50/x
  3. Step 3: Cross multiply
    3,013.50x = 4,520.52 × 961.50
  4. Step 4: Simplify right side
    3,013.50x = 4,346,479.98
  5. Step 5: Solve for x
    x = 4,346,479.98/3,013.50
  6. Step 6: Final answer
    x = 1,442.34

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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.