Home / 2,676.70-4,015.32-1,377.64

Finding the Fourth Proportional to 2,676.70, 4,015.32 and 1,377.64

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Solution

The fourth proportional to 2,676.70, 4,015.32 and 1,377.64 is: 2,066.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,676.70 : 4,015.32 = 1,377.64 : x
  2. Step 2: Convert to fraction form
    2,676.70/4,015.32 = 1,377.64/x
  3. Step 3: Cross multiply
    2,676.70x = 4,015.32 × 1,377.64
  4. Step 4: Simplify right side
    2,676.70x = 5,531,665.44
  5. Step 5: Solve for x
    x = 5,531,665.44/2,676.70
  6. Step 6: Final answer
    x = 2,066.60

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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.