Home / 2,194.16-3,284.36-1,217.12

Finding the Fourth Proportional to 2,194.16, 3,284.36 and 1,217.12

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Solution

The fourth proportional to 2,194.16, 3,284.36 and 1,217.12 is: 1,821.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,194.16 : 3,284.36 = 1,217.12 : x
  2. Step 2: Convert to fraction form
    2,194.16/3,284.36 = 1,217.12/x
  3. Step 3: Cross multiply
    2,194.16x = 3,284.36 × 1,217.12
  4. Step 4: Simplify right side
    2,194.16x = 3,997,460.24
  5. Step 5: Solve for x
    x = 3,997,460.24/2,194.16
  6. Step 6: Final answer
    x = 1,821.86

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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.