Home / 3,330.36-4,993.44-1,380.12

Finding the Fourth Proportional to 3,330.36, 4,993.44 and 1,380.12

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Solution

The fourth proportional to 3,330.36, 4,993.44 and 1,380.12 is: 2,069.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,330.36 : 4,993.44 = 1,380.12 : x
  2. Step 2: Convert to fraction form
    3,330.36/4,993.44 = 1,380.12/x
  3. Step 3: Cross multiply
    3,330.36x = 4,993.44 × 1,380.12
  4. Step 4: Simplify right side
    3,330.36x = 6,891,546.41
  5. Step 5: Solve for x
    x = 6,891,546.41/3,330.36
  6. Step 6: Final answer
    x = 2,069.31

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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.