Home / 2,820.59-4,226.26-1,997.38

Finding the Fourth Proportional to 2,820.59, 4,226.26 and 1,997.38

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Solution

The fourth proportional to 2,820.59, 4,226.26 and 1,997.38 is: 2,992.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,820.59 : 4,226.26 = 1,997.38 : x
  2. Step 2: Convert to fraction form
    2,820.59/4,226.26 = 1,997.38/x
  3. Step 3: Cross multiply
    2,820.59x = 4,226.26 × 1,997.38
  4. Step 4: Simplify right side
    2,820.59x = 8,441,466.31
  5. Step 5: Solve for x
    x = 8,441,466.31/2,820.59
  6. Step 6: Final answer
    x = 2,992.80

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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.