Home / 1,914.11-2,868.93-1,092.95

Finding the Fourth Proportional to 1,914.11, 2,868.93 and 1,092.95

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Solution

The fourth proportional to 1,914.11, 2,868.93 and 1,092.95 is: 1,638.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,914.11 : 2,868.93 = 1,092.95 : x
  2. Step 2: Convert to fraction form
    1,914.11/2,868.93 = 1,092.95/x
  3. Step 3: Cross multiply
    1,914.11x = 2,868.93 × 1,092.95
  4. Step 4: Simplify right side
    1,914.11x = 3,135,582.70
  5. Step 5: Solve for x
    x = 3,135,582.70/1,914.11
  6. Step 6: Final answer
    x = 1,638.15

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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.