Home / 2,620.26-3,616.02-1,441.36

Finding the Fourth Proportional to 2,620.26, 3,616.02 and 1,441.36

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Solution

The fourth proportional to 2,620.26, 3,616.02 and 1,441.36 is: 1,989.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,620.26 : 3,616.02 = 1,441.36 : x
  2. Step 2: Convert to fraction form
    2,620.26/3,616.02 = 1,441.36/x
  3. Step 3: Cross multiply
    2,620.26x = 3,616.02 × 1,441.36
  4. Step 4: Simplify right side
    2,620.26x = 5,211,986.59
  5. Step 5: Solve for x
    x = 5,211,986.59/2,620.26
  6. Step 6: Final answer
    x = 1,989.11

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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.