Home / 3,269.36-4,515.36-2,219.60

Finding the Fourth Proportional to 3,269.36, 4,515.36 and 2,219.60

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Solution

The fourth proportional to 3,269.36, 4,515.36 and 2,219.60 is: 3,065.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,269.36 : 4,515.36 = 2,219.60 : x
  2. Step 2: Convert to fraction form
    3,269.36/4,515.36 = 2,219.60/x
  3. Step 3: Cross multiply
    3,269.36x = 4,515.36 × 2,219.60
  4. Step 4: Simplify right side
    3,269.36x = 10,022,293.06
  5. Step 5: Solve for x
    x = 10,022,293.06/3,269.36
  6. Step 6: Final answer
    x = 3,065.52

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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.