Home / 3,212.66-4,821.73-2,290.48

Finding the Fourth Proportional to 3,212.66, 4,821.73 and 2,290.48

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Solution

The fourth proportional to 3,212.66, 4,821.73 and 2,290.48 is: 3,437.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,212.66 : 4,821.73 = 2,290.48 : x
  2. Step 2: Convert to fraction form
    3,212.66/4,821.73 = 2,290.48/x
  3. Step 3: Cross multiply
    3,212.66x = 4,821.73 × 2,290.48
  4. Step 4: Simplify right side
    3,212.66x = 11,044,076.13
  5. Step 5: Solve for x
    x = 11,044,076.13/3,212.66
  6. Step 6: Final answer
    x = 3,437.67

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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.