Home / 2,432.80-3,644.61-1,940.14

Finding the Fourth Proportional to 2,432.80, 3,644.61 and 1,940.14

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Solution

The fourth proportional to 2,432.80, 3,644.61 and 1,940.14 is: 2,906.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,432.80 : 3,644.61 = 1,940.14 : x
  2. Step 2: Convert to fraction form
    2,432.80/3,644.61 = 1,940.14/x
  3. Step 3: Cross multiply
    2,432.80x = 3,644.61 × 1,940.14
  4. Step 4: Simplify right side
    2,432.80x = 7,071,053.65
  5. Step 5: Solve for x
    x = 7,071,053.65/2,432.80
  6. Step 6: Final answer
    x = 2,906.55

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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.