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Finding the Fourth Proportional to 3,606.50, 4,976.98 and 1,950.50

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Solution

The fourth proportional to 3,606.50, 4,976.98 and 1,950.50 is: 2,691.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,606.50 : 4,976.98 = 1,950.50 : x
  2. Step 2: Convert to fraction form
    3,606.50/4,976.98 = 1,950.50/x
  3. Step 3: Cross multiply
    3,606.50x = 4,976.98 × 1,950.50
  4. Step 4: Simplify right side
    3,606.50x = 9,707,599.49
  5. Step 5: Solve for x
    x = 9,707,599.49/3,606.50
  6. Step 6: Final answer
    x = 2,691.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.