Home / 3,179.19-4,767.12-1,329.96

Finding the Fourth Proportional to 3,179.19, 4,767.12 and 1,329.96

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Solution

The fourth proportional to 3,179.19, 4,767.12 and 1,329.96 is: 1,994.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,179.19 : 4,767.12 = 1,329.96 : x
  2. Step 2: Convert to fraction form
    3,179.19/4,767.12 = 1,329.96/x
  3. Step 3: Cross multiply
    3,179.19x = 4,767.12 × 1,329.96
  4. Step 4: Simplify right side
    3,179.19x = 6,340,078.92
  5. Step 5: Solve for x
    x = 6,340,078.92/3,179.19
  6. Step 6: Final answer
    x = 1,994.24

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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.