Home / 3,582.46-4,942.92-2,185.21

Finding the Fourth Proportional to 3,582.46, 4,942.92 and 2,185.21

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Solution

The fourth proportional to 3,582.46, 4,942.92 and 2,185.21 is: 3,015.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,582.46 : 4,942.92 = 2,185.21 : x
  2. Step 2: Convert to fraction form
    3,582.46/4,942.92 = 2,185.21/x
  3. Step 3: Cross multiply
    3,582.46x = 4,942.92 × 2,185.21
  4. Step 4: Simplify right side
    3,582.46x = 10,801,318.21
  5. Step 5: Solve for x
    x = 10,801,318.21/3,582.46
  6. Step 6: Final answer
    x = 3,015.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.