Home / 2,621.11-3,616.99-1,441.95

Finding the Fourth Proportional to 2,621.11, 3,616.99 and 1,441.95

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Solution

The fourth proportional to 2,621.11, 3,616.99 and 1,441.95 is: 1,989.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,621.11 : 3,616.99 = 1,441.95 : x
  2. Step 2: Convert to fraction form
    2,621.11/3,616.99 = 1,441.95/x
  3. Step 3: Cross multiply
    2,621.11x = 3,616.99 × 1,441.95
  4. Step 4: Simplify right side
    2,621.11x = 5,215,518.73
  5. Step 5: Solve for x
    x = 5,215,518.73/2,621.11
  6. Step 6: Final answer
    x = 1,989.81

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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.