Home / 3,078.08-4,621.73-1,763.32

Finding the Fourth Proportional to 3,078.08, 4,621.73 and 1,763.32

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Solution

The fourth proportional to 3,078.08, 4,621.73 and 1,763.32 is: 2,647.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,078.08 : 4,621.73 = 1,763.32 : x
  2. Step 2: Convert to fraction form
    3,078.08/4,621.73 = 1,763.32/x
  3. Step 3: Cross multiply
    3,078.08x = 4,621.73 × 1,763.32
  4. Step 4: Simplify right side
    3,078.08x = 8,149,588.94
  5. Step 5: Solve for x
    x = 8,149,588.94/3,078.08
  6. Step 6: Final answer
    x = 2,647.62

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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.