Home / 2,620.44-3,616.29-1,441.59

Finding the Fourth Proportional to 2,620.44, 3,616.29 and 1,441.59

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Solution

The fourth proportional to 2,620.44, 3,616.29 and 1,441.59 is: 1,989.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,620.44 : 3,616.29 = 1,441.59 : x
  2. Step 2: Convert to fraction form
    2,620.44/3,616.29 = 1,441.59/x
  3. Step 3: Cross multiply
    2,620.44x = 3,616.29 × 1,441.59
  4. Step 4: Simplify right side
    2,620.44x = 5,213,207.50
  5. Step 5: Solve for x
    x = 5,213,207.50/2,620.44
  6. Step 6: Final answer
    x = 1,989.44

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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.