Home / 3,400.27-5,102.58-2,168.56

Finding the Fourth Proportional to 3,400.27, 5,102.58 and 2,168.56

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Solution

The fourth proportional to 3,400.27, 5,102.58 and 2,168.56 is: 3,254.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,400.27 : 5,102.58 = 2,168.56 : x
  2. Step 2: Convert to fraction form
    3,400.27/5,102.58 = 2,168.56/x
  3. Step 3: Cross multiply
    3,400.27x = 5,102.58 × 2,168.56
  4. Step 4: Simplify right side
    3,400.27x = 11,065,250.88
  5. Step 5: Solve for x
    x = 11,065,250.88/3,400.27
  6. Step 6: Final answer
    x = 3,254.23

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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.