Home / 4,110.31-5,676.37-2,618.90

Finding the Fourth Proportional to 4,110.31, 5,676.37 and 2,618.90

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Solution

The fourth proportional to 4,110.31, 5,676.37 and 2,618.90 is: 3,616.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,110.31 : 5,676.37 = 2,618.90 : x
  2. Step 2: Convert to fraction form
    4,110.31/5,676.37 = 2,618.90/x
  3. Step 3: Cross multiply
    4,110.31x = 5,676.37 × 2,618.90
  4. Step 4: Simplify right side
    4,110.31x = 14,865,845.39
  5. Step 5: Solve for x
    x = 14,865,845.39/4,110.31
  6. Step 6: Final answer
    x = 3,616.72

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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.