Home / 3,211.58-4,432-1,814.33

Finding the Fourth Proportional to 3,211.58, 4,432 and 1,814.33

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Solution

The fourth proportional to 3,211.58, 4,432 and 1,814.33 is: 2,503.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,211.58 : 4,432 = 1,814.33 : x
  2. Step 2: Convert to fraction form
    3,211.58/4,432 = 1,814.33/x
  3. Step 3: Cross multiply
    3,211.58x = 4,432 × 1,814.33
  4. Step 4: Simplify right side
    3,211.58x = 8,041,110.56
  5. Step 5: Solve for x
    x = 8,041,110.56/3,211.58
  6. Step 6: Final answer
    x = 2,503.79

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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.