Home / 3,340.11-5,005.29-1,879.67

Finding the Fourth Proportional to 3,340.11, 5,005.29 and 1,879.67

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Solution

The fourth proportional to 3,340.11, 5,005.29 and 1,879.67 is: 2,816.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,340.11 : 5,005.29 = 1,879.67 : x
  2. Step 2: Convert to fraction form
    3,340.11/5,005.29 = 1,879.67/x
  3. Step 3: Cross multiply
    3,340.11x = 5,005.29 × 1,879.67
  4. Step 4: Simplify right side
    3,340.11x = 9,408,293.45
  5. Step 5: Solve for x
    x = 9,408,293.45/3,340.11
  6. Step 6: Final answer
    x = 2,816.76

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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.