Home / 3,845.07-5,306.20-2,076.68

Finding the Fourth Proportional to 3,845.07, 5,306.20 and 2,076.68

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Solution

The fourth proportional to 3,845.07, 5,306.20 and 2,076.68 is: 2,865.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,845.07 : 5,306.20 = 2,076.68 : x
  2. Step 2: Convert to fraction form
    3,845.07/5,306.20 = 2,076.68/x
  3. Step 3: Cross multiply
    3,845.07x = 5,306.20 × 2,076.68
  4. Step 4: Simplify right side
    3,845.07x = 11,019,287.17
  5. Step 5: Solve for x
    x = 11,019,287.17/3,845.07
  6. Step 6: Final answer
    x = 2,865.82

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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.