Home / 2,169.31-3,254.09-609.43

Finding the Fourth Proportional to 2,169.31, 3,254.09 and 609.43

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Solution

The fourth proportional to 2,169.31, 3,254.09 and 609.43 is: 914.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,169.31 : 3,254.09 = 609.43 : x
  2. Step 2: Convert to fraction form
    2,169.31/3,254.09 = 609.43/x
  3. Step 3: Cross multiply
    2,169.31x = 3,254.09 × 609.43
  4. Step 4: Simplify right side
    2,169.31x = 1,983,139.72
  5. Step 5: Solve for x
    x = 1,983,139.72/2,169.31
  6. Step 6: Final answer
    x = 914.18

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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.