Home / 2,019.03-3,028.54-558.18

Finding the Fourth Proportional to 2,019.03, 3,028.54 and 558.18

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Solution

The fourth proportional to 2,019.03, 3,028.54 and 558.18 is: 837.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,019.03 : 3,028.54 = 558.18 : x
  2. Step 2: Convert to fraction form
    2,019.03/3,028.54 = 558.18/x
  3. Step 3: Cross multiply
    2,019.03x = 3,028.54 × 558.18
  4. Step 4: Simplify right side
    2,019.03x = 1,690,470.46
  5. Step 5: Solve for x
    x = 1,690,470.46/2,019.03
  6. Step 6: Final answer
    x = 837.27

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1.5x scale

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.