Home / 2,674.36-4,011.44-1,212.48

Finding the Fourth Proportional to 2,674.36, 4,011.44 and 1,212.48

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Solution

The fourth proportional to 2,674.36, 4,011.44 and 1,212.48 is: 1,818.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,674.36 : 4,011.44 = 1,212.48 : x
  2. Step 2: Convert to fraction form
    2,674.36/4,011.44 = 1,212.48/x
  3. Step 3: Cross multiply
    2,674.36x = 4,011.44 × 1,212.48
  4. Step 4: Simplify right side
    2,674.36x = 4,863,790.77
  5. Step 5: Solve for x
    x = 4,863,790.77/2,674.36
  6. Step 6: Final answer
    x = 1,818.67

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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.