Home / 3,854.31-5,779.29-2,623.38

Finding the Fourth Proportional to 3,854.31, 5,779.29 and 2,623.38

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Solution

The fourth proportional to 3,854.31, 5,779.29 and 2,623.38 is: 3,933.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,854.31 : 5,779.29 = 2,623.38 : x
  2. Step 2: Convert to fraction form
    3,854.31/5,779.29 = 2,623.38/x
  3. Step 3: Cross multiply
    3,854.31x = 5,779.29 × 2,623.38
  4. Step 4: Simplify right side
    3,854.31x = 15,161,273.80
  5. Step 5: Solve for x
    x = 15,161,273.80/3,854.31
  6. Step 6: Final answer
    x = 3,933.59

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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.