Home / 3,267.03-4,509.45-1,991.37

Finding the Fourth Proportional to 3,267.03, 4,509.45 and 1,991.37

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Solution

The fourth proportional to 3,267.03, 4,509.45 and 1,991.37 is: 2,748.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,267.03 : 4,509.45 = 1,991.37 : x
  2. Step 2: Convert to fraction form
    3,267.03/4,509.45 = 1,991.37/x
  3. Step 3: Cross multiply
    3,267.03x = 4,509.45 × 1,991.37
  4. Step 4: Simplify right side
    3,267.03x = 8,979,983.45
  5. Step 5: Solve for x
    x = 8,979,983.45/3,267.03
  6. Step 6: Final answer
    x = 2,748.67

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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.