Home / 3,179.44-4,769.47-1,178.67

Finding the Fourth Proportional to 3,179.44, 4,769.47 and 1,178.67

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Solution

The fourth proportional to 3,179.44, 4,769.47 and 1,178.67 is: 1,768.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,179.44 : 4,769.47 = 1,178.67 : x
  2. Step 2: Convert to fraction form
    3,179.44/4,769.47 = 1,178.67/x
  3. Step 3: Cross multiply
    3,179.44x = 4,769.47 × 1,178.67
  4. Step 4: Simplify right side
    3,179.44x = 5,621,607.36
  5. Step 5: Solve for x
    x = 5,621,607.36/3,179.44
  6. Step 6: Final answer
    x = 1,768.12

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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.