Home / 3,738.24-5,160.96-3,579.84

Finding the Fourth Proportional to 3,738.24, 5,160.96 and 3,579.84

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Solution

The fourth proportional to 3,738.24, 5,160.96 and 3,579.84 is: 4,942.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,738.24 : 5,160.96 = 3,579.84 : x
  2. Step 2: Convert to fraction form
    3,738.24/5,160.96 = 3,579.84/x
  3. Step 3: Cross multiply
    3,738.24x = 5,160.96 × 3,579.84
  4. Step 4: Simplify right side
    3,738.24x = 18,475,411.05
  5. Step 5: Solve for x
    x = 18,475,411.05/3,738.24
  6. Step 6: Final answer
    x = 4,942.28

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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.