Home / 3,078.65-4,618.77-1,433.27

Finding the Fourth Proportional to 3,078.65, 4,618.77 and 1,433.27

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Solution

The fourth proportional to 3,078.65, 4,618.77 and 1,433.27 is: 2,150.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,078.65 : 4,618.77 = 1,433.27 : x
  2. Step 2: Convert to fraction form
    3,078.65/4,618.77 = 1,433.27/x
  3. Step 3: Cross multiply
    3,078.65x = 4,618.77 × 1,433.27
  4. Step 4: Simplify right side
    3,078.65x = 6,619,944.48
  5. Step 5: Solve for x
    x = 6,619,944.48/3,078.65
  6. Step 6: Final answer
    x = 2,150.28

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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.