Home / 2,783.60-3,845.11-2,228.04

Finding the Fourth Proportional to 2,783.60, 3,845.11 and 2,228.04

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Solution

The fourth proportional to 2,783.60, 3,845.11 and 2,228.04 is: 3,077.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,783.60 : 3,845.11 = 2,228.04 : x
  2. Step 2: Convert to fraction form
    2,783.60/3,845.11 = 2,228.04/x
  3. Step 3: Cross multiply
    2,783.60x = 3,845.11 × 2,228.04
  4. Step 4: Simplify right side
    2,783.60x = 8,567,039.66
  5. Step 5: Solve for x
    x = 8,567,039.66/2,783.60
  6. Step 6: Final answer
    x = 3,077.69

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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.