Home / 3,675.12-5,512.68-3,441.84

Finding the Fourth Proportional to 3,675.12, 5,512.68 and 3,441.84

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Solution

The fourth proportional to 3,675.12, 5,512.68 and 3,441.84 is: 5,162.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,675.12 : 5,512.68 = 3,441.84 : x
  2. Step 2: Convert to fraction form
    3,675.12/5,512.68 = 3,441.84/x
  3. Step 3: Cross multiply
    3,675.12x = 5,512.68 × 3,441.84
  4. Step 4: Simplify right side
    3,675.12x = 18,973,762.53
  5. Step 5: Solve for x
    x = 18,973,762.53/3,675.12
  6. Step 6: Final answer
    x = 5,162.76

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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.