Home / 3,630.42-5,448.87-2,813.94

Finding the Fourth Proportional to 3,630.42, 5,448.87 and 2,813.94

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Solution

The fourth proportional to 3,630.42, 5,448.87 and 2,813.94 is: 4,223.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,630.42 : 5,448.87 = 2,813.94 : x
  2. Step 2: Convert to fraction form
    3,630.42/5,448.87 = 2,813.94/x
  3. Step 3: Cross multiply
    3,630.42x = 5,448.87 × 2,813.94
  4. Step 4: Simplify right side
    3,630.42x = 15,332,793.25
  5. Step 5: Solve for x
    x = 15,332,793.25/3,630.42
  6. Step 6: Final answer
    x = 4,223.42

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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.