Home / 3,964.14-5,470.74-2,705.40

Finding the Fourth Proportional to 3,964.14, 5,470.74 and 2,705.40

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Solution

The fourth proportional to 3,964.14, 5,470.74 and 2,705.40 is: 3,733.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,964.14 : 5,470.74 = 2,705.40 : x
  2. Step 2: Convert to fraction form
    3,964.14/5,470.74 = 2,705.40/x
  3. Step 3: Cross multiply
    3,964.14x = 5,470.74 × 2,705.40
  4. Step 4: Simplify right side
    3,964.14x = 14,800,540.00
  5. Step 5: Solve for x
    x = 14,800,540.00/3,964.14
  6. Step 6: Final answer
    x = 3,733.61

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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.