Home / 3,782.16-5,219.92-2,269.79

Finding the Fourth Proportional to 3,782.16, 5,219.92 and 2,269.79

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Solution

The fourth proportional to 3,782.16, 5,219.92 and 2,269.79 is: 3,132.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,782.16 : 5,219.92 = 2,269.79 : x
  2. Step 2: Convert to fraction form
    3,782.16/5,219.92 = 2,269.79/x
  3. Step 3: Cross multiply
    3,782.16x = 5,219.92 × 2,269.79
  4. Step 4: Simplify right side
    3,782.16x = 11,848,096.12
  5. Step 5: Solve for x
    x = 11,848,096.12/3,782.16
  6. Step 6: Final answer
    x = 3,132.63

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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.