Home / 3,218.56-4,828.55-1,371.26

Finding the Fourth Proportional to 3,218.56, 4,828.55 and 1,371.26

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Solution

The fourth proportional to 3,218.56, 4,828.55 and 1,371.26 is: 2,057.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,218.56 : 4,828.55 = 1,371.26 : x
  2. Step 2: Convert to fraction form
    3,218.56/4,828.55 = 1,371.26/x
  3. Step 3: Cross multiply
    3,218.56x = 4,828.55 × 1,371.26
  4. Step 4: Simplify right side
    3,218.56x = 6,621,202.69
  5. Step 5: Solve for x
    x = 6,621,202.69/3,218.56
  6. Step 6: Final answer
    x = 2,057.20

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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.