Home / 3,439.05-5,157.83-1,682.23

Finding the Fourth Proportional to 3,439.05, 5,157.83 and 1,682.23

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Solution

The fourth proportional to 3,439.05, 5,157.83 and 1,682.23 is: 2,522.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,439.05 : 5,157.83 = 1,682.23 : x
  2. Step 2: Convert to fraction form
    3,439.05/5,157.83 = 1,682.23/x
  3. Step 3: Cross multiply
    3,439.05x = 5,157.83 × 1,682.23
  4. Step 4: Simplify right side
    3,439.05x = 8,676,622.16
  5. Step 5: Solve for x
    x = 8,676,622.16/3,439.05
  6. Step 6: Final answer
    x = 2,522.97

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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.