Home / 3,028.20-4,178.85-1,849.27

Finding the Fourth Proportional to 3,028.20, 4,178.85 and 1,849.27

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Solution

The fourth proportional to 3,028.20, 4,178.85 and 1,849.27 is: 2,551.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,028.20 : 4,178.85 = 1,849.27 : x
  2. Step 2: Convert to fraction form
    3,028.20/4,178.85 = 1,849.27/x
  3. Step 3: Cross multiply
    3,028.20x = 4,178.85 × 1,849.27
  4. Step 4: Simplify right side
    3,028.20x = 7,727,801.05
  5. Step 5: Solve for x
    x = 7,727,801.05/3,028.20
  6. Step 6: Final answer
    x = 2,551.95

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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.