Home / 2,019.29-3,028.46-558.56

Finding the Fourth Proportional to 2,019.29, 3,028.46 and 558.56

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Solution

The fourth proportional to 2,019.29, 3,028.46 and 558.56 is: 837.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,019.29 : 3,028.46 = 558.56 : x
  2. Step 2: Convert to fraction form
    2,019.29/3,028.46 = 558.56/x
  3. Step 3: Cross multiply
    2,019.29x = 3,028.46 × 558.56
  4. Step 4: Simplify right side
    2,019.29x = 1,691,558.68
  5. Step 5: Solve for x
    x = 1,691,558.68/2,019.29
  6. Step 6: Final answer
    x = 837.70

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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.