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Finding the Fourth Proportional to 2,194.25, 3,289.33 and 807.26

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Solution

The fourth proportional to 2,194.25, 3,289.33 and 807.26 is: 1,210.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,194.25 : 3,289.33 = 807.26 : x
  2. Step 2: Convert to fraction form
    2,194.25/3,289.33 = 807.26/x
  3. Step 3: Cross multiply
    2,194.25x = 3,289.33 × 807.26
  4. Step 4: Simplify right side
    2,194.25x = 2,655,344.54
  5. Step 5: Solve for x
    x = 2,655,344.54/2,194.25
  6. Step 6: Final answer
    x = 1,210.14

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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.