Home / 2,125.85-2,933.68-1,194.35

Finding the Fourth Proportional to 2,125.85, 2,933.68 and 1,194.35

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Solution

The fourth proportional to 2,125.85, 2,933.68 and 1,194.35 is: 1,648.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,125.85 : 2,933.68 = 1,194.35 : x
  2. Step 2: Convert to fraction form
    2,125.85/2,933.68 = 1,194.35/x
  3. Step 3: Cross multiply
    2,125.85x = 2,933.68 × 1,194.35
  4. Step 4: Simplify right side
    2,125.85x = 3,503,845.06
  5. Step 5: Solve for x
    x = 3,503,845.06/2,125.85
  6. Step 6: Final answer
    x = 1,648.21

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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.