Home / 3,676.18-5,514-1,078.90

Finding the Fourth Proportional to 3,676.18, 5,514 and 1,078.90

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Solution

The fourth proportional to 3,676.18, 5,514 and 1,078.90 is: 1,618.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,676.18 : 5,514 = 1,078.90 : x
  2. Step 2: Convert to fraction form
    3,676.18/5,514 = 1,078.90/x
  3. Step 3: Cross multiply
    3,676.18x = 5,514 × 1,078.90
  4. Step 4: Simplify right side
    3,676.18x = 5,949,054.60
  5. Step 5: Solve for x
    x = 5,949,054.60/3,676.18
  6. Step 6: Final answer
    x = 1,618.27

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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.