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Finding the Fourth Proportional to 3,425.67, 4,722.84 and 2,676.69

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Solution

The fourth proportional to 3,425.67, 4,722.84 and 2,676.69 is: 3,690.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,425.67 : 4,722.84 = 2,676.69 : x
  2. Step 2: Convert to fraction form
    3,425.67/4,722.84 = 2,676.69/x
  3. Step 3: Cross multiply
    3,425.67x = 4,722.84 × 2,676.69
  4. Step 4: Simplify right side
    3,425.67x = 12,641,578.60
  5. Step 5: Solve for x
    x = 12,641,578.60/3,425.67
  6. Step 6: Final answer
    x = 3,690.25

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1.5x scale

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.