Home / 3,453.42-5,173.94-2,217.76

Finding the Fourth Proportional to 3,453.42, 5,173.94 and 2,217.76

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Solution

The fourth proportional to 3,453.42, 5,173.94 and 2,217.76 is: 3,322.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,453.42 : 5,173.94 = 2,217.76 : x
  2. Step 2: Convert to fraction form
    3,453.42/5,173.94 = 2,217.76/x
  3. Step 3: Cross multiply
    3,453.42x = 5,173.94 × 2,217.76
  4. Step 4: Simplify right side
    3,453.42x = 11,474,557.17
  5. Step 5: Solve for x
    x = 11,474,557.17/3,453.42
  6. Step 6: Final answer
    x = 3,322.66

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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.