Home / 3,645.68-5,469.60-1,180.88

Finding the Fourth Proportional to 3,645.68, 5,469.60 and 1,180.88

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Solution

The fourth proportional to 3,645.68, 5,469.60 and 1,180.88 is: 1,771.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,645.68 : 5,469.60 = 1,180.88 : x
  2. Step 2: Convert to fraction form
    3,645.68/5,469.60 = 1,180.88/x
  3. Step 3: Cross multiply
    3,645.68x = 5,469.60 × 1,180.88
  4. Step 4: Simplify right side
    3,645.68x = 6,458,941.25
  5. Step 5: Solve for x
    x = 6,458,941.25/3,645.68
  6. Step 6: Final answer
    x = 1,771.67

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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.