Home / 3,019.96-4,161.40-2,179.18

Finding the Fourth Proportional to 3,019.96, 4,161.40 and 2,179.18

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Solution

The fourth proportional to 3,019.96, 4,161.40 and 2,179.18 is: 3,002.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,019.96 : 4,161.40 = 2,179.18 : x
  2. Step 2: Convert to fraction form
    3,019.96/4,161.40 = 2,179.18/x
  3. Step 3: Cross multiply
    3,019.96x = 4,161.40 × 2,179.18
  4. Step 4: Simplify right side
    3,019.96x = 9,068,439.65
  5. Step 5: Solve for x
    x = 9,068,439.65/3,019.96
  6. Step 6: Final answer
    x = 3,002.83

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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.