Home / 2,668.07-4,002.42-1,433.78

Finding the Fourth Proportional to 2,668.07, 4,002.42 and 1,433.78

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Solution

The fourth proportional to 2,668.07, 4,002.42 and 1,433.78 is: 2,150.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,668.07 : 4,002.42 = 1,433.78 : x
  2. Step 2: Convert to fraction form
    2,668.07/4,002.42 = 1,433.78/x
  3. Step 3: Cross multiply
    2,668.07x = 4,002.42 × 1,433.78
  4. Step 4: Simplify right side
    2,668.07x = 5,738,569.74
  5. Step 5: Solve for x
    x = 5,738,569.74/2,668.07
  6. Step 6: Final answer
    x = 2,150.84

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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.