Home / 2,816.89-4,226.33-1,429.17

Finding the Fourth Proportional to 2,816.89, 4,226.33 and 1,429.17

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Solution

The fourth proportional to 2,816.89, 4,226.33 and 1,429.17 is: 2,144.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,816.89 : 4,226.33 = 1,429.17 : x
  2. Step 2: Convert to fraction form
    2,816.89/4,226.33 = 1,429.17/x
  3. Step 3: Cross multiply
    2,816.89x = 4,226.33 × 1,429.17
  4. Step 4: Simplify right side
    2,816.89x = 6,040,144.05
  5. Step 5: Solve for x
    x = 6,040,144.05/2,816.89
  6. Step 6: Final answer
    x = 2,144.26

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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.