Home / 2,270.18-3,404.55-808.97

Finding the Fourth Proportional to 2,270.18, 3,404.55 and 808.97

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Solution

The fourth proportional to 2,270.18, 3,404.55 and 808.97 is: 1,213.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,270.18 : 3,404.55 = 808.97 : x
  2. Step 2: Convert to fraction form
    2,270.18/3,404.55 = 808.97/x
  3. Step 3: Cross multiply
    2,270.18x = 3,404.55 × 808.97
  4. Step 4: Simplify right side
    2,270.18x = 2,754,161.79
  5. Step 5: Solve for x
    x = 2,754,161.79/2,270.18
  6. Step 6: Final answer
    x = 1,213.19

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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.