Home / 2,019.09-3,028.32-558.39

Finding the Fourth Proportional to 2,019.09, 3,028.32 and 558.39

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Solution

The fourth proportional to 2,019.09, 3,028.32 and 558.39 is: 837.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,019.09 : 3,028.32 = 558.39 : x
  2. Step 2: Convert to fraction form
    2,019.09/3,028.32 = 558.39/x
  3. Step 3: Cross multiply
    2,019.09x = 3,028.32 × 558.39
  4. Step 4: Simplify right side
    2,019.09x = 1,690,983.60
  5. Step 5: Solve for x
    x = 1,690,983.60/2,019.09
  6. Step 6: Final answer
    x = 837.50

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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.