Home / 3,984.14-5,494.81-3,343.56

Finding the Fourth Proportional to 3,984.14, 5,494.81 and 3,343.56

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Solution

The fourth proportional to 3,984.14, 5,494.81 and 3,343.56 is: 4,611.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,984.14 : 5,494.81 = 3,343.56 : x
  2. Step 2: Convert to fraction form
    3,984.14/5,494.81 = 3,343.56/x
  3. Step 3: Cross multiply
    3,984.14x = 5,494.81 × 3,343.56
  4. Step 4: Simplify right side
    3,984.14x = 18,372,226.92
  5. Step 5: Solve for x
    x = 18,372,226.92/3,984.14
  6. Step 6: Final answer
    x = 4,611.34

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1.5x scale

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.