Home / 2,783.85-4,167.57-2,056.68

Finding the Fourth Proportional to 2,783.85, 4,167.57 and 2,056.68

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Solution

The fourth proportional to 2,783.85, 4,167.57 and 2,056.68 is: 3,078.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,783.85 : 4,167.57 = 2,056.68 : x
  2. Step 2: Convert to fraction form
    2,783.85/4,167.57 = 2,056.68/x
  3. Step 3: Cross multiply
    2,783.85x = 4,167.57 × 2,056.68
  4. Step 4: Simplify right side
    2,783.85x = 8,571,357.87
  5. Step 5: Solve for x
    x = 8,571,357.87/2,783.85
  6. Step 6: Final answer
    x = 3,078.96

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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.