Home / 3,179.34-4,770.36-1,716.79

Finding the Fourth Proportional to 3,179.34, 4,770.36 and 1,716.79

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Solution

The fourth proportional to 3,179.34, 4,770.36 and 1,716.79 is: 2,575.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,179.34 : 4,770.36 = 1,716.79 : x
  2. Step 2: Convert to fraction form
    3,179.34/4,770.36 = 1,716.79/x
  3. Step 3: Cross multiply
    3,179.34x = 4,770.36 × 1,716.79
  4. Step 4: Simplify right side
    3,179.34x = 8,189,706.34
  5. Step 5: Solve for x
    x = 8,189,706.34/3,179.34
  6. Step 6: Final answer
    x = 2,575.91

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1.5x scale

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.