Home / 2,219.17-3,326.23-1,386.62

Finding the Fourth Proportional to 2,219.17, 3,326.23 and 1,386.62

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Solution

The fourth proportional to 2,219.17, 3,326.23 and 1,386.62 is: 2,078.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,219.17 : 3,326.23 = 1,386.62 : x
  2. Step 2: Convert to fraction form
    2,219.17/3,326.23 = 1,386.62/x
  3. Step 3: Cross multiply
    2,219.17x = 3,326.23 × 1,386.62
  4. Step 4: Simplify right side
    2,219.17x = 4,612,201.02
  5. Step 5: Solve for x
    x = 4,612,201.02/2,219.17
  6. Step 6: Final answer
    x = 2,078.34

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.