Home / 2,623.14-3,926.21-1,929.65

Finding the Fourth Proportional to 2,623.14, 3,926.21 and 1,929.65

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Solution

The fourth proportional to 2,623.14, 3,926.21 and 1,929.65 is: 2,888.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,623.14 : 3,926.21 = 1,929.65 : x
  2. Step 2: Convert to fraction form
    2,623.14/3,926.21 = 1,929.65/x
  3. Step 3: Cross multiply
    2,623.14x = 3,926.21 × 1,929.65
  4. Step 4: Simplify right side
    2,623.14x = 7,576,181.85
  5. Step 5: Solve for x
    x = 7,576,181.85/2,623.14
  6. Step 6: Final answer
    x = 2,888.21

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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.