Home / 2,783.18-4,173.20-1,906.67

Finding the Fourth Proportional to 2,783.18, 4,173.20 and 1,906.67

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Solution

The fourth proportional to 2,783.18, 4,173.20 and 1,906.67 is: 2,858.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,783.18 : 4,173.20 = 1,906.67 : x
  2. Step 2: Convert to fraction form
    2,783.18/4,173.20 = 1,906.67/x
  3. Step 3: Cross multiply
    2,783.18x = 4,173.20 × 1,906.67
  4. Step 4: Simplify right side
    2,783.18x = 7,956,884.84
  5. Step 5: Solve for x
    x = 7,956,884.84/2,783.18
  6. Step 6: Final answer
    x = 2,858.92

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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.