Home / 3,845.13-5,306.28-2,076.73

Finding the Fourth Proportional to 3,845.13, 5,306.28 and 2,076.73

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Solution

The fourth proportional to 3,845.13, 5,306.28 and 2,076.73 is: 2,865.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,845.13 : 5,306.28 = 2,076.73 : x
  2. Step 2: Convert to fraction form
    3,845.13/5,306.28 = 2,076.73/x
  3. Step 3: Cross multiply
    3,845.13x = 5,306.28 × 2,076.73
  4. Step 4: Simplify right side
    3,845.13x = 11,019,715.93
  5. Step 5: Solve for x
    x = 11,019,715.93/3,845.13
  6. Step 6: Final answer
    x = 2,865.89

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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.