Home / 2,195.29-3,294.12-808.42

Finding the Fourth Proportional to 2,195.29, 3,294.12 and 808.42

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Solution

The fourth proportional to 2,195.29, 3,294.12 and 808.42 is: 1,213.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,195.29 : 3,294.12 = 808.42 : x
  2. Step 2: Convert to fraction form
    2,195.29/3,294.12 = 808.42/x
  3. Step 3: Cross multiply
    2,195.29x = 3,294.12 × 808.42
  4. Step 4: Simplify right side
    2,195.29x = 2,663,032.49
  5. Step 5: Solve for x
    x = 2,663,032.49/2,195.29
  6. Step 6: Final answer
    x = 1,213.07

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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.