Home / 2,822.29-4,230.67-1,179.31

Finding the Fourth Proportional to 2,822.29, 4,230.67 and 1,179.31

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Solution

The fourth proportional to 2,822.29, 4,230.67 and 1,179.31 is: 1,767.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,822.29 : 4,230.67 = 1,179.31 : x
  2. Step 2: Convert to fraction form
    2,822.29/4,230.67 = 1,179.31/x
  3. Step 3: Cross multiply
    2,822.29x = 4,230.67 × 1,179.31
  4. Step 4: Simplify right side
    2,822.29x = 4,989,271.44
  5. Step 5: Solve for x
    x = 4,989,271.44/2,822.29
  6. Step 6: Final answer
    x = 1,767.81

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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.