Home / 3,828.33-5,278.77-3,267.81

Finding the Fourth Proportional to 3,828.33, 5,278.77 and 3,267.81

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Solution

The fourth proportional to 3,828.33, 5,278.77 and 3,267.81 is: 4,505.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,828.33 : 5,278.77 = 3,267.81 : x
  2. Step 2: Convert to fraction form
    3,828.33/5,278.77 = 3,267.81/x
  3. Step 3: Cross multiply
    3,828.33x = 5,278.77 × 3,267.81
  4. Step 4: Simplify right side
    3,828.33x = 17,250,017.39
  5. Step 5: Solve for x
    x = 17,250,017.39/3,828.33
  6. Step 6: Final answer
    x = 4,505.89

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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.