Home / 3,118.67-4,676.64-1,169.51

Finding the Fourth Proportional to 3,118.67, 4,676.64 and 1,169.51

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Solution

The fourth proportional to 3,118.67, 4,676.64 and 1,169.51 is: 1,753.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,118.67 : 4,676.64 = 1,169.51 : x
  2. Step 2: Convert to fraction form
    3,118.67/4,676.64 = 1,169.51/x
  3. Step 3: Cross multiply
    3,118.67x = 4,676.64 × 1,169.51
  4. Step 4: Simplify right side
    3,118.67x = 5,469,367.56
  5. Step 5: Solve for x
    x = 5,469,367.56/3,118.67
  6. Step 6: Final answer
    x = 1,753.75

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1.5x scale

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.