Home / 3,677.71-5,076.12-2,106.73

Finding the Fourth Proportional to 3,677.71, 5,076.12 and 2,106.73

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Solution

The fourth proportional to 3,677.71, 5,076.12 and 2,106.73 is: 2,907.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,677.71 : 5,076.12 = 2,106.73 : x
  2. Step 2: Convert to fraction form
    3,677.71/5,076.12 = 2,106.73/x
  3. Step 3: Cross multiply
    3,677.71x = 5,076.12 × 2,106.73
  4. Step 4: Simplify right side
    3,677.71x = 10,694,014.29
  5. Step 5: Solve for x
    x = 10,694,014.29/3,677.71
  6. Step 6: Final answer
    x = 2,907.79

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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.