Home / 3,494.20-4,821.88-1,922.29

Finding the Fourth Proportional to 3,494.20, 4,821.88 and 1,922.29

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Solution

The fourth proportional to 3,494.20, 4,821.88 and 1,922.29 is: 2,652.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,494.20 : 4,821.88 = 1,922.29 : x
  2. Step 2: Convert to fraction form
    3,494.20/4,821.88 = 1,922.29/x
  3. Step 3: Cross multiply
    3,494.20x = 4,821.88 × 1,922.29
  4. Step 4: Simplify right side
    3,494.20x = 9,269,051.71
  5. Step 5: Solve for x
    x = 9,269,051.71/3,494.20
  6. Step 6: Final answer
    x = 2,652.70

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.