Home / 2,218.48-3,325.20-1,353.44

Finding the Fourth Proportional to 2,218.48, 3,325.20 and 1,353.44

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Solution

The fourth proportional to 2,218.48, 3,325.20 and 1,353.44 is: 2,028.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,218.48 : 3,325.20 = 1,353.44 : x
  2. Step 2: Convert to fraction form
    2,218.48/3,325.20 = 1,353.44/x
  3. Step 3: Cross multiply
    2,218.48x = 3,325.20 × 1,353.44
  4. Step 4: Simplify right side
    2,218.48x = 4,500,458.69
  5. Step 5: Solve for x
    x = 4,500,458.69/2,218.48
  6. Step 6: Final answer
    x = 2,028.62

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Why These Related Problems?

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