Home / 1,892.62-2,610.92-1,263.44

Finding the Fourth Proportional to 1,892.62, 2,610.92 and 1,263.44

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Solution

The fourth proportional to 1,892.62, 2,610.92 and 1,263.44 is: 1,742.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,892.62 : 2,610.92 = 1,263.44 : x
  2. Step 2: Convert to fraction form
    1,892.62/2,610.92 = 1,263.44/x
  3. Step 3: Cross multiply
    1,892.62x = 2,610.92 × 1,263.44
  4. Step 4: Simplify right side
    1,892.62x = 3,298,740.76
  5. Step 5: Solve for x
    x = 3,298,740.76/1,892.62
  6. Step 6: Final answer
    x = 1,742.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.