Home / 3,546.36-5,318.55-2,120.67

Finding the Fourth Proportional to 3,546.36, 5,318.55 and 2,120.67

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Solution

The fourth proportional to 3,546.36, 5,318.55 and 2,120.67 is: 3,180.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,546.36 : 5,318.55 = 2,120.67 : x
  2. Step 2: Convert to fraction form
    3,546.36/5,318.55 = 2,120.67/x
  3. Step 3: Cross multiply
    3,546.36x = 5,318.55 × 2,120.67
  4. Step 4: Simplify right side
    3,546.36x = 11,278,889.43
  5. Step 5: Solve for x
    x = 11,278,889.43/3,546.36
  6. Step 6: Final answer
    x = 3,180.41

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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.