Home / 3,469.90-4,790.03-2,212.65

Finding the Fourth Proportional to 3,469.90, 4,790.03 and 2,212.65

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Solution

The fourth proportional to 3,469.90, 4,790.03 and 2,212.65 is: 3,054.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,469.90 : 4,790.03 = 2,212.65 : x
  2. Step 2: Convert to fraction form
    3,469.90/4,790.03 = 2,212.65/x
  3. Step 3: Cross multiply
    3,469.90x = 4,790.03 × 2,212.65
  4. Step 4: Simplify right side
    3,469.90x = 10,598,647.90
  5. Step 5: Solve for x
    x = 10,598,647.90/3,469.90
  6. Step 6: Final answer
    x = 3,054.45

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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.