Home / 3,219.33-4,443.09-1,803.56

Finding the Fourth Proportional to 3,219.33, 4,443.09 and 1,803.56

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Solution

The fourth proportional to 3,219.33, 4,443.09 and 1,803.56 is: 2,489.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,219.33 : 4,443.09 = 1,803.56 : x
  2. Step 2: Convert to fraction form
    3,219.33/4,443.09 = 1,803.56/x
  3. Step 3: Cross multiply
    3,219.33x = 4,443.09 × 1,803.56
  4. Step 4: Simplify right side
    3,219.33x = 8,013,357.18
  5. Step 5: Solve for x
    x = 8,013,357.18/3,219.33
  6. Step 6: Final answer
    x = 2,489.14

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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.