Home / 3,845.09-5,306.23-2,076.70

Finding the Fourth Proportional to 3,845.09, 5,306.23 and 2,076.70

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Solution

The fourth proportional to 3,845.09, 5,306.23 and 2,076.70 is: 2,865.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,845.09 : 5,306.23 = 2,076.70 : x
  2. Step 2: Convert to fraction form
    3,845.09/5,306.23 = 2,076.70/x
  3. Step 3: Cross multiply
    3,845.09x = 5,306.23 × 2,076.70
  4. Step 4: Simplify right side
    3,845.09x = 11,019,410.93
  5. Step 5: Solve for x
    x = 11,019,410.93/3,845.09
  6. Step 6: Final answer
    x = 2,865.84

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1.5x scale

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.