Home / 2,816.67-4,226.76-1,355.97

Finding the Fourth Proportional to 2,816.67, 4,226.76 and 1,355.97

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Solution

The fourth proportional to 2,816.67, 4,226.76 and 1,355.97 is: 2,034.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,816.67 : 4,226.76 = 1,355.97 : x
  2. Step 2: Convert to fraction form
    2,816.67/4,226.76 = 1,355.97/x
  3. Step 3: Cross multiply
    2,816.67x = 4,226.76 × 1,355.97
  4. Step 4: Simplify right side
    2,816.67x = 5,731,359.76
  5. Step 5: Solve for x
    x = 5,731,359.76/2,816.67
  6. Step 6: Final answer
    x = 2,034.80

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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.