Home / 4,078.99-5,629.40-2,286.77

Finding the Fourth Proportional to 4,078.99, 5,629.40 and 2,286.77

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Solution

The fourth proportional to 4,078.99, 5,629.40 and 2,286.77 is: 3,155.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,078.99 : 5,629.40 = 2,286.77 : x
  2. Step 2: Convert to fraction form
    4,078.99/5,629.40 = 2,286.77/x
  3. Step 3: Cross multiply
    4,078.99x = 5,629.40 × 2,286.77
  4. Step 4: Simplify right side
    4,078.99x = 12,873,143.04
  5. Step 5: Solve for x
    x = 12,873,143.04/4,078.99
  6. Step 6: Final answer
    x = 3,155.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.