Home / 3,027.21-4,178.07-1,768.42

Finding the Fourth Proportional to 3,027.21, 4,178.07 and 1,768.42

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Solution

The fourth proportional to 3,027.21, 4,178.07 and 1,768.42 is: 2,440.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,027.21 : 4,178.07 = 1,768.42 : x
  2. Step 2: Convert to fraction form
    3,027.21/4,178.07 = 1,768.42/x
  3. Step 3: Cross multiply
    3,027.21x = 4,178.07 × 1,768.42
  4. Step 4: Simplify right side
    3,027.21x = 7,388,561.66
  5. Step 5: Solve for x
    x = 7,388,561.66/3,027.21
  6. Step 6: Final answer
    x = 2,440.72

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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.