Home / 2,668.34-4,001.70-1,369.64

Finding the Fourth Proportional to 2,668.34, 4,001.70 and 1,369.64

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Solution

The fourth proportional to 2,668.34, 4,001.70 and 1,369.64 is: 2,054.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,668.34 : 4,001.70 = 1,369.64 : x
  2. Step 2: Convert to fraction form
    2,668.34/4,001.70 = 1,369.64/x
  3. Step 3: Cross multiply
    2,668.34x = 4,001.70 × 1,369.64
  4. Step 4: Simplify right side
    2,668.34x = 5,480,888.39
  5. Step 5: Solve for x
    x = 5,480,888.39/2,668.34
  6. Step 6: Final answer
    x = 2,054.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.