Home / 1,910.05-2,859.93-1,212.94

Finding the Fourth Proportional to 1,910.05, 2,859.93 and 1,212.94

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Solution

The fourth proportional to 1,910.05, 2,859.93 and 1,212.94 is: 1,816.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,910.05 : 2,859.93 = 1,212.94 : x
  2. Step 2: Convert to fraction form
    1,910.05/2,859.93 = 1,212.94/x
  3. Step 3: Cross multiply
    1,910.05x = 2,859.93 × 1,212.94
  4. Step 4: Simplify right side
    1,910.05x = 3,468,923.49
  5. Step 5: Solve for x
    x = 3,468,923.49/1,910.05
  6. Step 6: Final answer
    x = 1,816.14

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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.