Home / 3,078.19-4,617.24-1,433.80

Finding the Fourth Proportional to 3,078.19, 4,617.24 and 1,433.80

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Solution

The fourth proportional to 3,078.19, 4,617.24 and 1,433.80 is: 2,150.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,078.19 : 4,617.24 = 1,433.80 : x
  2. Step 2: Convert to fraction form
    3,078.19/4,617.24 = 1,433.80/x
  3. Step 3: Cross multiply
    3,078.19x = 4,617.24 × 1,433.80
  4. Step 4: Simplify right side
    3,078.19x = 6,620,198.71
  5. Step 5: Solve for x
    x = 6,620,198.71/3,078.19
  6. Step 6: Final answer
    x = 2,150.68

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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.