Home / 3,396.46-4,689.89-2,767.09

Finding the Fourth Proportional to 3,396.46, 4,689.89 and 2,767.09

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Solution

The fourth proportional to 3,396.46, 4,689.89 and 2,767.09 is: 3,820.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,396.46 : 4,689.89 = 2,767.09 : x
  2. Step 2: Convert to fraction form
    3,396.46/4,689.89 = 2,767.09/x
  3. Step 3: Cross multiply
    3,396.46x = 4,689.89 × 2,767.09
  4. Step 4: Simplify right side
    3,396.46x = 12,977,333.88
  5. Step 5: Solve for x
    x = 12,977,333.88/3,396.46
  6. Step 6: Final answer
    x = 3,820.84

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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.