Home / 2,110.86-2,912.04-1,226.46

Finding the Fourth Proportional to 2,110.86, 2,912.04 and 1,226.46

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Solution

The fourth proportional to 2,110.86, 2,912.04 and 1,226.46 is: 1,691.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,110.86 : 2,912.04 = 1,226.46 : x
  2. Step 2: Convert to fraction form
    2,110.86/2,912.04 = 1,226.46/x
  3. Step 3: Cross multiply
    2,110.86x = 2,912.04 × 1,226.46
  4. Step 4: Simplify right side
    2,110.86x = 3,571,500.58
  5. Step 5: Solve for x
    x = 3,571,500.58/2,110.86
  6. Step 6: Final answer
    x = 1,691.96

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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.