Home / 3,646.39-5,469.60-1,455.67

Finding the Fourth Proportional to 3,646.39, 5,469.60 and 1,455.67

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Solution

The fourth proportional to 3,646.39, 5,469.60 and 1,455.67 is: 2,183.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,646.39 : 5,469.60 = 1,455.67 : x
  2. Step 2: Convert to fraction form
    3,646.39/5,469.60 = 1,455.67/x
  3. Step 3: Cross multiply
    3,646.39x = 5,469.60 × 1,455.67
  4. Step 4: Simplify right side
    3,646.39x = 7,961,932.63
  5. Step 5: Solve for x
    x = 7,961,932.63/3,646.39
  6. Step 6: Final answer
    x = 2,183.51

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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.