Home / 3,698.37-5,544.32-1,391.49

Finding the Fourth Proportional to 3,698.37, 5,544.32 and 1,391.49

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Solution

The fourth proportional to 3,698.37, 5,544.32 and 1,391.49 is: 2,086.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,698.37 : 5,544.32 = 1,391.49 : x
  2. Step 2: Convert to fraction form
    3,698.37/5,544.32 = 1,391.49/x
  3. Step 3: Cross multiply
    3,698.37x = 5,544.32 × 1,391.49
  4. Step 4: Simplify right side
    3,698.37x = 7,714,858.88
  5. Step 5: Solve for x
    x = 7,714,858.88/3,698.37
  6. Step 6: Final answer
    x = 2,086.02

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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.