Home / 1,958.46-2,703.57-1,212.84

Finding the Fourth Proportional to 1,958.46, 2,703.57 and 1,212.84

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Solution

The fourth proportional to 1,958.46, 2,703.57 and 1,212.84 is: 1,674.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,958.46 : 2,703.57 = 1,212.84 : x
  2. Step 2: Convert to fraction form
    1,958.46/2,703.57 = 1,212.84/x
  3. Step 3: Cross multiply
    1,958.46x = 2,703.57 × 1,212.84
  4. Step 4: Simplify right side
    1,958.46x = 3,278,997.84
  5. Step 5: Solve for x
    x = 3,278,997.84/1,958.46
  6. Step 6: Final answer
    x = 1,674.27

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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.