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Finding the Fourth Proportional to 3,801.47, 5,674.70 and 3,284.79

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Solution

The fourth proportional to 3,801.47, 5,674.70 and 3,284.79 is: 4,903.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,801.47 : 5,674.70 = 3,284.79 : x
  2. Step 2: Convert to fraction form
    3,801.47/5,674.70 = 3,284.79/x
  3. Step 3: Cross multiply
    3,801.47x = 5,674.70 × 3,284.79
  4. Step 4: Simplify right side
    3,801.47x = 18,640,181.39
  5. Step 5: Solve for x
    x = 18,640,181.39/3,801.47
  6. Step 6: Final answer
    x = 4,903.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.