Home / 3,194.40-4,791.60-2,311.50

Finding the Fourth Proportional to 3,194.40, 4,791.60 and 2,311.50

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Solution

The fourth proportional to 3,194.40, 4,791.60 and 2,311.50 is: 3,467.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,194.40 : 4,791.60 = 2,311.50 : x
  2. Step 2: Convert to fraction form
    3,194.40/4,791.60 = 2,311.50/x
  3. Step 3: Cross multiply
    3,194.40x = 4,791.60 × 2,311.50
  4. Step 4: Simplify right side
    3,194.40x = 11,075,783.40
  5. Step 5: Solve for x
    x = 11,075,783.40/3,194.40
  6. Step 6: Final answer
    x = 3,467.25

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1.5x scale

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.