Home / 2,194.24-3,304.36-1,909.12

Finding the Fourth Proportional to 2,194.24, 3,304.36 and 1,909.12

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Solution

The fourth proportional to 2,194.24, 3,304.36 and 1,909.12 is: 2,874.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,194.24 : 3,304.36 = 1,909.12 : x
  2. Step 2: Convert to fraction form
    2,194.24/3,304.36 = 1,909.12/x
  3. Step 3: Cross multiply
    2,194.24x = 3,304.36 × 1,909.12
  4. Step 4: Simplify right side
    2,194.24x = 6,308,419.76
  5. Step 5: Solve for x
    x = 6,308,419.76/2,194.24
  6. Step 6: Final answer
    x = 2,874.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.