Home / 3,964.80-5,470.18-2,285.98

Finding the Fourth Proportional to 3,964.80, 5,470.18 and 2,285.98

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Solution

The fourth proportional to 3,964.80, 5,470.18 and 2,285.98 is: 3,153.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,964.80 : 5,470.18 = 2,285.98 : x
  2. Step 2: Convert to fraction form
    3,964.80/5,470.18 = 2,285.98/x
  3. Step 3: Cross multiply
    3,964.80x = 5,470.18 × 2,285.98
  4. Step 4: Simplify right side
    3,964.80x = 12,504,722.08
  5. Step 5: Solve for x
    x = 12,504,722.08/3,964.80
  6. Step 6: Final answer
    x = 3,153.94

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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.