Home / 2,219.93-3,329.58-1,395.68

Finding the Fourth Proportional to 2,219.93, 3,329.58 and 1,395.68

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Solution

The fourth proportional to 2,219.93, 3,329.58 and 1,395.68 is: 2,093.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,219.93 : 3,329.58 = 1,395.68 : x
  2. Step 2: Convert to fraction form
    2,219.93/3,329.58 = 1,395.68/x
  3. Step 3: Cross multiply
    2,219.93x = 3,329.58 × 1,395.68
  4. Step 4: Simplify right side
    2,219.93x = 4,647,028.21
  5. Step 5: Solve for x
    x = 4,647,028.21/2,219.93
  6. Step 6: Final answer
    x = 2,093.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.