Home / 3,974.94-5,485.32-3,029.67

Finding the Fourth Proportional to 3,974.94, 5,485.32 and 3,029.67

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Solution

The fourth proportional to 3,974.94, 5,485.32 and 3,029.67 is: 4,180.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,974.94 : 5,485.32 = 3,029.67 : x
  2. Step 2: Convert to fraction form
    3,974.94/5,485.32 = 3,029.67/x
  3. Step 3: Cross multiply
    3,974.94x = 5,485.32 × 3,029.67
  4. Step 4: Simplify right side
    3,974.94x = 16,618,709.44
  5. Step 5: Solve for x
    x = 16,618,709.44/3,974.94
  6. Step 6: Final answer
    x = 4,180.87

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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.