Home / 3,647.50-5,468.82-1,698.64

Finding the Fourth Proportional to 3,647.50, 5,468.82 and 1,698.64

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Solution

The fourth proportional to 3,647.50, 5,468.82 and 1,698.64 is: 2,546.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,647.50 : 5,468.82 = 1,698.64 : x
  2. Step 2: Convert to fraction form
    3,647.50/5,468.82 = 1,698.64/x
  3. Step 3: Cross multiply
    3,647.50x = 5,468.82 × 1,698.64
  4. Step 4: Simplify right side
    3,647.50x = 9,289,556.40
  5. Step 5: Solve for x
    x = 9,289,556.40/3,647.50
  6. Step 6: Final answer
    x = 2,546.83

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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.