Home / 3,078.66-4,614.77-1,433.85

Finding the Fourth Proportional to 3,078.66, 4,614.77 and 1,433.85

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Solution

The fourth proportional to 3,078.66, 4,614.77 and 1,433.85 is: 2,149.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,078.66 : 4,614.77 = 1,433.85 : x
  2. Step 2: Convert to fraction form
    3,078.66/4,614.77 = 1,433.85/x
  3. Step 3: Cross multiply
    3,078.66x = 4,614.77 × 1,433.85
  4. Step 4: Simplify right side
    3,078.66x = 6,616,880.80
  5. Step 5: Solve for x
    x = 6,616,880.80/3,078.66
  6. Step 6: Final answer
    x = 2,149.27

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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.