Home / 2,620.50-3,616.29-1,441.68

Finding the Fourth Proportional to 2,620.50, 3,616.29 and 1,441.68

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Solution

The fourth proportional to 2,620.50, 3,616.29 and 1,441.68 is: 1,989.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,620.50 : 3,616.29 = 1,441.68 : x
  2. Step 2: Convert to fraction form
    2,620.50/3,616.29 = 1,441.68/x
  3. Step 3: Cross multiply
    2,620.50x = 3,616.29 × 1,441.68
  4. Step 4: Simplify right side
    2,620.50x = 5,213,532.97
  5. Step 5: Solve for x
    x = 5,213,532.97/2,620.50
  6. Step 6: Final answer
    x = 1,989.52

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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.