Home / 3,216.79-4,824.60-1,138.33

Finding the Fourth Proportional to 3,216.79, 4,824.60 and 1,138.33

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Solution

The fourth proportional to 3,216.79, 4,824.60 and 1,138.33 is: 1,707.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,216.79 : 4,824.60 = 1,138.33 : x
  2. Step 2: Convert to fraction form
    3,216.79/4,824.60 = 1,138.33/x
  3. Step 3: Cross multiply
    3,216.79x = 4,824.60 × 1,138.33
  4. Step 4: Simplify right side
    3,216.79x = 5,491,986.92
  5. Step 5: Solve for x
    x = 5,491,986.92/3,216.79
  6. Step 6: Final answer
    x = 1,707.29

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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.