Home / 2,216.64-3,326.40-1,122.24

Finding the Fourth Proportional to 2,216.64, 3,326.40 and 1,122.24

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Solution

The fourth proportional to 2,216.64, 3,326.40 and 1,122.24 is: 1,684.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,216.64 : 3,326.40 = 1,122.24 : x
  2. Step 2: Convert to fraction form
    2,216.64/3,326.40 = 1,122.24/x
  3. Step 3: Cross multiply
    2,216.64x = 3,326.40 × 1,122.24
  4. Step 4: Simplify right side
    2,216.64x = 3,733,019.14
  5. Step 5: Solve for x
    x = 3,733,019.14/2,216.64
  6. Step 6: Final answer
    x = 1,684.09

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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.