Home / 2,019.06-3,028.58-558.21

Finding the Fourth Proportional to 2,019.06, 3,028.58 and 558.21

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Solution

The fourth proportional to 2,019.06, 3,028.58 and 558.21 is: 837.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,019.06 : 3,028.58 = 558.21 : x
  2. Step 2: Convert to fraction form
    2,019.06/3,028.58 = 558.21/x
  3. Step 3: Cross multiply
    2,019.06x = 3,028.58 × 558.21
  4. Step 4: Simplify right side
    2,019.06x = 1,690,594.30
  5. Step 5: Solve for x
    x = 1,690,594.30/2,019.06
  6. Step 6: Final answer
    x = 837.32

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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.