Home / 3,213.98-4,435.59-1,954.73

Finding the Fourth Proportional to 3,213.98, 4,435.59 and 1,954.73

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Solution

The fourth proportional to 3,213.98, 4,435.59 and 1,954.73 is: 2,697.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,213.98 : 4,435.59 = 1,954.73 : x
  2. Step 2: Convert to fraction form
    3,213.98/4,435.59 = 1,954.73/x
  3. Step 3: Cross multiply
    3,213.98x = 4,435.59 × 1,954.73
  4. Step 4: Simplify right side
    3,213.98x = 8,670,399.26
  5. Step 5: Solve for x
    x = 8,670,399.26/3,213.98
  6. Step 6: Final answer
    x = 2,697.72

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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.