Home / 1,892.22-2,830.11-1,110.36

Finding the Fourth Proportional to 1,892.22, 2,830.11 and 1,110.36

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Solution

The fourth proportional to 1,892.22, 2,830.11 and 1,110.36 is: 1,660.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,892.22 : 2,830.11 = 1,110.36 : x
  2. Step 2: Convert to fraction form
    1,892.22/2,830.11 = 1,110.36/x
  3. Step 3: Cross multiply
    1,892.22x = 2,830.11 × 1,110.36
  4. Step 4: Simplify right side
    1,892.22x = 3,142,440.94
  5. Step 5: Solve for x
    x = 3,142,440.94/1,892.22
  6. Step 6: Final answer
    x = 1,660.72

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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.