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Finding the Fourth Proportional to 2,195.08, 3,292.62 and 808.48

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Solution

The fourth proportional to 2,195.08, 3,292.62 and 808.48 is: 1,212.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,195.08 : 3,292.62 = 808.48 : x
  2. Step 2: Convert to fraction form
    2,195.08/3,292.62 = 808.48/x
  3. Step 3: Cross multiply
    2,195.08x = 3,292.62 × 808.48
  4. Step 4: Simplify right side
    2,195.08x = 2,662,017.42
  5. Step 5: Solve for x
    x = 2,662,017.42/2,195.08
  6. Step 6: Final answer
    x = 1,212.72

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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.