Home / 2,195.19-3,292.33-808.17

Finding the Fourth Proportional to 2,195.19, 3,292.33 and 808.17

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Solution

The fourth proportional to 2,195.19, 3,292.33 and 808.17 is: 1,212.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,195.19 : 3,292.33 = 808.17 : x
  2. Step 2: Convert to fraction form
    2,195.19/3,292.33 = 808.17/x
  3. Step 3: Cross multiply
    2,195.19x = 3,292.33 × 808.17
  4. Step 4: Simplify right side
    2,195.19x = 2,660,741.83
  5. Step 5: Solve for x
    x = 2,660,741.83/2,195.19
  6. Step 6: Final answer
    x = 1,212.08

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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.