Home / 3,189.56-4,396.95-2,242.44

Finding the Fourth Proportional to 3,189.56, 4,396.95 and 2,242.44

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Solution

The fourth proportional to 3,189.56, 4,396.95 and 2,242.44 is: 3,091.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,189.56 : 4,396.95 = 2,242.44 : x
  2. Step 2: Convert to fraction form
    3,189.56/4,396.95 = 2,242.44/x
  3. Step 3: Cross multiply
    3,189.56x = 4,396.95 × 2,242.44
  4. Step 4: Simplify right side
    3,189.56x = 9,859,896.56
  5. Step 5: Solve for x
    x = 9,859,896.56/3,189.56
  6. Step 6: Final answer
    x = 3,091.31

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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.