Home / 2,216.14-3,326.32-1,689.44

Finding the Fourth Proportional to 2,216.14, 3,326.32 and 1,689.44

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Solution

The fourth proportional to 2,216.14, 3,326.32 and 1,689.44 is: 2,535.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,216.14 : 3,326.32 = 1,689.44 : x
  2. Step 2: Convert to fraction form
    2,216.14/3,326.32 = 1,689.44/x
  3. Step 3: Cross multiply
    2,216.14x = 3,326.32 × 1,689.44
  4. Step 4: Simplify right side
    2,216.14x = 5,619,603.54
  5. Step 5: Solve for x
    x = 5,619,603.54/2,216.14
  6. Step 6: Final answer
    x = 2,535.76

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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.