Home / 3,609.50-4,981.24-2,211.98

Finding the Fourth Proportional to 3,609.50, 4,981.24 and 2,211.98

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Solution

The fourth proportional to 3,609.50, 4,981.24 and 2,211.98 is: 3,052.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,609.50 : 4,981.24 = 2,211.98 : x
  2. Step 2: Convert to fraction form
    3,609.50/4,981.24 = 2,211.98/x
  3. Step 3: Cross multiply
    3,609.50x = 4,981.24 × 2,211.98
  4. Step 4: Simplify right side
    3,609.50x = 11,018,403.26
  5. Step 5: Solve for x
    x = 11,018,403.26/3,609.50
  6. Step 6: Final answer
    x = 3,052.61

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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.