Home / 3,921.44-5,408.04-2,596.46

Finding the Fourth Proportional to 3,921.44, 5,408.04 and 2,596.46

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Solution

The fourth proportional to 3,921.44, 5,408.04 and 2,596.46 is: 3,580.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,921.44 : 5,408.04 = 2,596.46 : x
  2. Step 2: Convert to fraction form
    3,921.44/5,408.04 = 2,596.46/x
  3. Step 3: Cross multiply
    3,921.44x = 5,408.04 × 2,596.46
  4. Step 4: Simplify right side
    3,921.44x = 14,041,759.54
  5. Step 5: Solve for x
    x = 14,041,759.54/3,921.44
  6. Step 6: Final answer
    x = 3,580.77

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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.