Home / 2,923.70-4,034.39-1,664.64

Finding the Fourth Proportional to 2,923.70, 4,034.39 and 1,664.64

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Solution

The fourth proportional to 2,923.70, 4,034.39 and 1,664.64 is: 2,297.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,923.70 : 4,034.39 = 1,664.64 : x
  2. Step 2: Convert to fraction form
    2,923.70/4,034.39 = 1,664.64/x
  3. Step 3: Cross multiply
    2,923.70x = 4,034.39 × 1,664.64
  4. Step 4: Simplify right side
    2,923.70x = 6,715,798.65
  5. Step 5: Solve for x
    x = 6,715,798.65/2,923.70
  6. Step 6: Final answer
    x = 2,297.02

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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.