Home / 3,100.29-4,650.39-1,455.67

Finding the Fourth Proportional to 3,100.29, 4,650.39 and 1,455.67

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Solution

The fourth proportional to 3,100.29, 4,650.39 and 1,455.67 is: 2,183.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,100.29 : 4,650.39 = 1,455.67 : x
  2. Step 2: Convert to fraction form
    3,100.29/4,650.39 = 1,455.67/x
  3. Step 3: Cross multiply
    3,100.29x = 4,650.39 × 1,455.67
  4. Step 4: Simplify right side
    3,100.29x = 6,769,425.93
  5. Step 5: Solve for x
    x = 6,769,425.93/3,100.29
  6. Step 6: Final answer
    x = 2,183.48

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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.