Home / 1,612.22-2,415.38-1,353.87

Finding the Fourth Proportional to 1,612.22, 2,415.38 and 1,353.87

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Solution

The fourth proportional to 1,612.22, 2,415.38 and 1,353.87 is: 2,028.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,612.22 : 2,415.38 = 1,353.87 : x
  2. Step 2: Convert to fraction form
    1,612.22/2,415.38 = 1,353.87/x
  3. Step 3: Cross multiply
    1,612.22x = 2,415.38 × 1,353.87
  4. Step 4: Simplify right side
    1,612.22x = 3,270,103.75
  5. Step 5: Solve for x
    x = 3,270,103.75/1,612.22
  6. Step 6: Final answer
    x = 2,028.33

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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.