Home / 3,493.88-4,821.57-1,922.03

Finding the Fourth Proportional to 3,493.88, 4,821.57 and 1,922.03

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Solution

The fourth proportional to 3,493.88, 4,821.57 and 1,922.03 is: 2,652.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,493.88 : 4,821.57 = 1,922.03 : x
  2. Step 2: Convert to fraction form
    3,493.88/4,821.57 = 1,922.03/x
  3. Step 3: Cross multiply
    3,493.88x = 4,821.57 × 1,922.03
  4. Step 4: Simplify right side
    3,493.88x = 9,267,178.08
  5. Step 5: Solve for x
    x = 9,267,178.08/3,493.88
  6. Step 6: Final answer
    x = 2,652.41

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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.