Home / 3,616.26-4,990.44-1,960.26

Finding the Fourth Proportional to 3,616.26, 4,990.44 and 1,960.26

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Solution

The fourth proportional to 3,616.26, 4,990.44 and 1,960.26 is: 2,705.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,616.26 : 4,990.44 = 1,960.26 : x
  2. Step 2: Convert to fraction form
    3,616.26/4,990.44 = 1,960.26/x
  3. Step 3: Cross multiply
    3,616.26x = 4,990.44 × 1,960.26
  4. Step 4: Simplify right side
    3,616.26x = 9,782,559.91
  5. Step 5: Solve for x
    x = 9,782,559.91/3,616.26
  6. Step 6: Final answer
    x = 2,705.16

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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.