Home / 2,912.43-4,019.25-1,586.26

Finding the Fourth Proportional to 2,912.43, 4,019.25 and 1,586.26

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Solution

The fourth proportional to 2,912.43, 4,019.25 and 1,586.26 is: 2,189.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912.43 : 4,019.25 = 1,586.26 : x
  2. Step 2: Convert to fraction form
    2,912.43/4,019.25 = 1,586.26/x
  3. Step 3: Cross multiply
    2,912.43x = 4,019.25 × 1,586.26
  4. Step 4: Simplify right side
    2,912.43x = 6,375,575.51
  5. Step 5: Solve for x
    x = 6,375,575.51/2,912.43
  6. Step 6: Final answer
    x = 2,189.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.