Home / 2,019.03-3,028.51-558.15

Finding the Fourth Proportional to 2,019.03, 3,028.51 and 558.15

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Solution

The fourth proportional to 2,019.03, 3,028.51 and 558.15 is: 837.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,019.03 : 3,028.51 = 558.15 : x
  2. Step 2: Convert to fraction form
    2,019.03/3,028.51 = 558.15/x
  3. Step 3: Cross multiply
    2,019.03x = 3,028.51 × 558.15
  4. Step 4: Simplify right side
    2,019.03x = 1,690,362.86
  5. Step 5: Solve for x
    x = 1,690,362.86/2,019.03
  6. Step 6: Final answer
    x = 837.22

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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.