Home / 3,381.58-5,074.98-2,211.26

Finding the Fourth Proportional to 3,381.58, 5,074.98 and 2,211.26

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Solution

The fourth proportional to 3,381.58, 5,074.98 and 2,211.26 is: 3,318.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,381.58 : 5,074.98 = 2,211.26 : x
  2. Step 2: Convert to fraction form
    3,381.58/5,074.98 = 2,211.26/x
  3. Step 3: Cross multiply
    3,381.58x = 5,074.98 × 2,211.26
  4. Step 4: Simplify right side
    3,381.58x = 11,222,100.27
  5. Step 5: Solve for x
    x = 11,222,100.27/3,381.58
  6. Step 6: Final answer
    x = 3,318.60

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1.5x scale

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.