Home / 3,170.75-4,756.14-2,074.82

Finding the Fourth Proportional to 3,170.75, 4,756.14 and 2,074.82

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Solution

The fourth proportional to 3,170.75, 4,756.14 and 2,074.82 is: 3,112.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,170.75 : 4,756.14 = 2,074.82 : x
  2. Step 2: Convert to fraction form
    3,170.75/4,756.14 = 2,074.82/x
  3. Step 3: Cross multiply
    3,170.75x = 4,756.14 × 2,074.82
  4. Step 4: Simplify right side
    3,170.75x = 9,868,110.61
  5. Step 5: Solve for x
    x = 9,868,110.61/3,170.75
  6. Step 6: Final answer
    x = 3,112.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.