Home / 2,619.36-3,616.44-1,626.12

Finding the Fourth Proportional to 2,619.36, 3,616.44 and 1,626.12

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Solution

The fourth proportional to 2,619.36, 3,616.44 and 1,626.12 is: 2,245.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,619.36 : 3,616.44 = 1,626.12 : x
  2. Step 2: Convert to fraction form
    2,619.36/3,616.44 = 1,626.12/x
  3. Step 3: Cross multiply
    2,619.36x = 3,616.44 × 1,626.12
  4. Step 4: Simplify right side
    2,619.36x = 5,880,765.41
  5. Step 5: Solve for x
    x = 5,880,765.41/2,619.36
  6. Step 6: Final answer
    x = 2,245.12

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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.