Home / 3,179.79-4,388.04-1,853.62

Finding the Fourth Proportional to 3,179.79, 4,388.04 and 1,853.62

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Solution

The fourth proportional to 3,179.79, 4,388.04 and 1,853.62 is: 2,557.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,179.79 : 4,388.04 = 1,853.62 : x
  2. Step 2: Convert to fraction form
    3,179.79/4,388.04 = 1,853.62/x
  3. Step 3: Cross multiply
    3,179.79x = 4,388.04 × 1,853.62
  4. Step 4: Simplify right side
    3,179.79x = 8,133,747.73
  5. Step 5: Solve for x
    x = 8,133,747.73/3,179.79
  6. Step 6: Final answer
    x = 2,557.95

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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.