Home / 3,028.56-4,178.62-1,768.88

Finding the Fourth Proportional to 3,028.56, 4,178.62 and 1,768.88

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Solution

The fourth proportional to 3,028.56, 4,178.62 and 1,768.88 is: 2,440.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,028.56 : 4,178.62 = 1,768.88 : x
  2. Step 2: Convert to fraction form
    3,028.56/4,178.62 = 1,768.88/x
  3. Step 3: Cross multiply
    3,028.56x = 4,178.62 × 1,768.88
  4. Step 4: Simplify right side
    3,028.56x = 7,391,477.35
  5. Step 5: Solve for x
    x = 7,391,477.35/3,028.56
  6. Step 6: Final answer
    x = 2,440.59

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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.