Home / 3,381.42-5,069.45-2,218.67

Finding the Fourth Proportional to 3,381.42, 5,069.45 and 2,218.67

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Solution

The fourth proportional to 3,381.42, 5,069.45 and 2,218.67 is: 3,326.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,381.42 : 5,069.45 = 2,218.67 : x
  2. Step 2: Convert to fraction form
    3,381.42/5,069.45 = 2,218.67/x
  3. Step 3: Cross multiply
    3,381.42x = 5,069.45 × 2,218.67
  4. Step 4: Simplify right side
    3,381.42x = 11,247,436.63
  5. Step 5: Solve for x
    x = 11,247,436.63/3,381.42
  6. Step 6: Final answer
    x = 3,326.25

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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.