Home / 2,579.69-3,867.26-1,118.35

Finding the Fourth Proportional to 2,579.69, 3,867.26 and 1,118.35

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Solution

The fourth proportional to 2,579.69, 3,867.26 and 1,118.35 is: 1,676.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,579.69 : 3,867.26 = 1,118.35 : x
  2. Step 2: Convert to fraction form
    2,579.69/3,867.26 = 1,118.35/x
  3. Step 3: Cross multiply
    2,579.69x = 3,867.26 × 1,118.35
  4. Step 4: Simplify right side
    2,579.69x = 4,324,934.96
  5. Step 5: Solve for x
    x = 4,324,934.96/2,579.69
  6. Step 6: Final answer
    x = 1,676.53

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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.