Home / 3,118.27-4,676.49-2,569.09

Finding the Fourth Proportional to 3,118.27, 4,676.49 and 2,569.09

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Solution

The fourth proportional to 3,118.27, 4,676.49 and 2,569.09 is: 3,852.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,118.27 : 4,676.49 = 2,569.09 : x
  2. Step 2: Convert to fraction form
    3,118.27/4,676.49 = 2,569.09/x
  3. Step 3: Cross multiply
    3,118.27x = 4,676.49 × 2,569.09
  4. Step 4: Simplify right side
    3,118.27x = 12,014,323.69
  5. Step 5: Solve for x
    x = 12,014,323.69/3,118.27
  6. Step 6: Final answer
    x = 3,852.88

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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.