Home / 3,441.36-5,161.80-1,249.68

Finding the Fourth Proportional to 3,441.36, 5,161.80 and 1,249.68

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Solution

The fourth proportional to 3,441.36, 5,161.80 and 1,249.68 is: 1,874.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,441.36 : 5,161.80 = 1,249.68 : x
  2. Step 2: Convert to fraction form
    3,441.36/5,161.80 = 1,249.68/x
  3. Step 3: Cross multiply
    3,441.36x = 5,161.80 × 1,249.68
  4. Step 4: Simplify right side
    3,441.36x = 6,450,598.22
  5. Step 5: Solve for x
    x = 6,450,598.22/3,441.36
  6. Step 6: Final answer
    x = 1,874.43

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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.