Home / 3,199.22-4,414.78-1,782.84

Finding the Fourth Proportional to 3,199.22, 4,414.78 and 1,782.84

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Solution

The fourth proportional to 3,199.22, 4,414.78 and 1,782.84 is: 2,460.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,199.22 : 4,414.78 = 1,782.84 : x
  2. Step 2: Convert to fraction form
    3,199.22/4,414.78 = 1,782.84/x
  3. Step 3: Cross multiply
    3,199.22x = 4,414.78 × 1,782.84
  4. Step 4: Simplify right side
    3,199.22x = 7,870,846.38
  5. Step 5: Solve for x
    x = 7,870,846.38/3,199.22
  6. Step 6: Final answer
    x = 2,460.24

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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.