Home / 2,620.62-3,616.36-1,441.68

Finding the Fourth Proportional to 2,620.62, 3,616.36 and 1,441.68

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Solution

The fourth proportional to 2,620.62, 3,616.36 and 1,441.68 is: 1,989.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,620.62 : 3,616.36 = 1,441.68 : x
  2. Step 2: Convert to fraction form
    2,620.62/3,616.36 = 1,441.68/x
  3. Step 3: Cross multiply
    2,620.62x = 3,616.36 × 1,441.68
  4. Step 4: Simplify right side
    2,620.62x = 5,213,633.88
  5. Step 5: Solve for x
    x = 5,213,633.88/2,620.62
  6. Step 6: Final answer
    x = 1,989.47

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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.