Home / 2,076.14-3,114.18-843.53

Finding the Fourth Proportional to 2,076.14, 3,114.18 and 843.53

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Solution

The fourth proportional to 2,076.14, 3,114.18 and 843.53 is: 1,265.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,076.14 : 3,114.18 = 843.53 : x
  2. Step 2: Convert to fraction form
    2,076.14/3,114.18 = 843.53/x
  3. Step 3: Cross multiply
    2,076.14x = 3,114.18 × 843.53
  4. Step 4: Simplify right side
    2,076.14x = 2,626,888.68
  5. Step 5: Solve for x
    x = 2,626,888.68/2,076.14
  6. Step 6: Final answer
    x = 1,265.28

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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.