Home / 2,076.15-3,114.23-843.60

Finding the Fourth Proportional to 2,076.15, 3,114.23 and 843.60

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Solution

The fourth proportional to 2,076.15, 3,114.23 and 843.60 is: 1,265.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,076.15 : 3,114.23 = 843.60 : x
  2. Step 2: Convert to fraction form
    2,076.15/3,114.23 = 843.60/x
  3. Step 3: Cross multiply
    2,076.15x = 3,114.23 × 843.60
  4. Step 4: Simplify right side
    2,076.15x = 2,627,160.21
  5. Step 5: Solve for x
    x = 2,627,160.21/2,076.15
  6. Step 6: Final answer
    x = 1,265.40

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1.5x scale

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.