Home / 2,195.41-3,293.52-808.60

Finding the Fourth Proportional to 2,195.41, 3,293.52 and 808.60

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Solution

The fourth proportional to 2,195.41, 3,293.52 and 808.60 is: 1,213.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,195.41 : 3,293.52 = 808.60 : x
  2. Step 2: Convert to fraction form
    2,195.41/3,293.52 = 808.60/x
  3. Step 3: Cross multiply
    2,195.41x = 3,293.52 × 808.60
  4. Step 4: Simplify right side
    2,195.41x = 2,663,140.27
  5. Step 5: Solve for x
    x = 2,663,140.27/2,195.41
  6. Step 6: Final answer
    x = 1,213.05

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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.