Home / 2,680.93-4,021.67-925.73

Finding the Fourth Proportional to 2,680.93, 4,021.67 and 925.73

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Solution

The fourth proportional to 2,680.93, 4,021.67 and 925.73 is: 1,388.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,680.93 : 4,021.67 = 925.73 : x
  2. Step 2: Convert to fraction form
    2,680.93/4,021.67 = 925.73/x
  3. Step 3: Cross multiply
    2,680.93x = 4,021.67 × 925.73
  4. Step 4: Simplify right side
    2,680.93x = 3,722,980.57
  5. Step 5: Solve for x
    x = 3,722,980.57/2,680.93
  6. Step 6: Final answer
    x = 1,388.69

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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.