Home / 3,751.12-5,176.84-2,072.68

Finding the Fourth Proportional to 3,751.12, 5,176.84 and 2,072.68

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Solution

The fourth proportional to 3,751.12, 5,176.84 and 2,072.68 is: 2,860.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,751.12 : 5,176.84 = 2,072.68 : x
  2. Step 2: Convert to fraction form
    3,751.12/5,176.84 = 2,072.68/x
  3. Step 3: Cross multiply
    3,751.12x = 5,176.84 × 2,072.68
  4. Step 4: Simplify right side
    3,751.12x = 10,729,932.73
  5. Step 5: Solve for x
    x = 10,729,932.73/3,751.12
  6. Step 6: Final answer
    x = 2,860.46

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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.