Home / 3,163.82-4,735.40-2,860.68

Finding the Fourth Proportional to 3,163.82, 4,735.40 and 2,860.68

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Solution

The fourth proportional to 3,163.82, 4,735.40 and 2,860.68 is: 4,281.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,163.82 : 4,735.40 = 2,860.68 : x
  2. Step 2: Convert to fraction form
    3,163.82/4,735.40 = 2,860.68/x
  3. Step 3: Cross multiply
    3,163.82x = 4,735.40 × 2,860.68
  4. Step 4: Simplify right side
    3,163.82x = 13,546,464.07
  5. Step 5: Solve for x
    x = 13,546,464.07/3,163.82
  6. Step 6: Final answer
    x = 4,281.68

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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.