Home / 3,635.82-5,448.60-1,968.84

Finding the Fourth Proportional to 3,635.82, 5,448.60 and 1,968.84

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Solution

The fourth proportional to 3,635.82, 5,448.60 and 1,968.84 is: 2,950.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,635.82 : 5,448.60 = 1,968.84 : x
  2. Step 2: Convert to fraction form
    3,635.82/5,448.60 = 1,968.84/x
  3. Step 3: Cross multiply
    3,635.82x = 5,448.60 × 1,968.84
  4. Step 4: Simplify right side
    3,635.82x = 10,727,421.62
  5. Step 5: Solve for x
    x = 10,727,421.62/3,635.82
  6. Step 6: Final answer
    x = 2,950.48

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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.