Home / 4,078.84-5,631.96-2,662.96

Finding the Fourth Proportional to 4,078.84, 5,631.96 and 2,662.96

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Solution

The fourth proportional to 4,078.84, 5,631.96 and 2,662.96 is: 3,676.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,078.84 : 5,631.96 = 2,662.96 : x
  2. Step 2: Convert to fraction form
    4,078.84/5,631.96 = 2,662.96/x
  3. Step 3: Cross multiply
    4,078.84x = 5,631.96 × 2,662.96
  4. Step 4: Simplify right side
    4,078.84x = 14,997,684.20
  5. Step 5: Solve for x
    x = 14,997,684.20/4,078.84
  6. Step 6: Final answer
    x = 3,676.95

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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.