Home / 3,493.89-4,821.44-1,922.00

Finding the Fourth Proportional to 3,493.89, 4,821.44 and 1,922.00

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Solution

The fourth proportional to 3,493.89, 4,821.44 and 1,922.00 is: 2,652.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,493.89 : 4,821.44 = 1,922.00 : x
  2. Step 2: Convert to fraction form
    3,493.89/4,821.44 = 1,922.00/x
  3. Step 3: Cross multiply
    3,493.89x = 4,821.44 × 1,922.00
  4. Step 4: Simplify right side
    3,493.89x = 9,266,773.96
  5. Step 5: Solve for x
    x = 9,266,773.96/3,493.89
  6. Step 6: Final answer
    x = 2,652.28

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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.