Home / 2,019.14-3,028.70-558.52

Finding the Fourth Proportional to 2,019.14, 3,028.70 and 558.52

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Solution

The fourth proportional to 2,019.14, 3,028.70 and 558.52 is: 837.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,019.14 : 3,028.70 = 558.52 : x
  2. Step 2: Convert to fraction form
    2,019.14/3,028.70 = 558.52/x
  3. Step 3: Cross multiply
    2,019.14x = 3,028.70 × 558.52
  4. Step 4: Simplify right side
    2,019.14x = 1,691,589.52
  5. Step 5: Solve for x
    x = 1,691,589.52/2,019.14
  6. Step 6: Final answer
    x = 837.78

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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.