Home / 3,179.96-4,388.12-1,763.57

Finding the Fourth Proportional to 3,179.96, 4,388.12 and 1,763.57

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Solution

The fourth proportional to 3,179.96, 4,388.12 and 1,763.57 is: 2,433.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,179.96 : 4,388.12 = 1,763.57 : x
  2. Step 2: Convert to fraction form
    3,179.96/4,388.12 = 1,763.57/x
  3. Step 3: Cross multiply
    3,179.96x = 4,388.12 × 1,763.57
  4. Step 4: Simplify right side
    3,179.96x = 7,738,775.47
  5. Step 5: Solve for x
    x = 7,738,775.47/3,179.96
  6. Step 6: Final answer
    x = 2,433.61

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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.