Home / 2,019.13-3,028.85-558.28

Finding the Fourth Proportional to 2,019.13, 3,028.85 and 558.28

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Solution

The fourth proportional to 2,019.13, 3,028.85 and 558.28 is: 837.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,019.13 : 3,028.85 = 558.28 : x
  2. Step 2: Convert to fraction form
    2,019.13/3,028.85 = 558.28/x
  3. Step 3: Cross multiply
    2,019.13x = 3,028.85 × 558.28
  4. Step 4: Simplify right side
    2,019.13x = 1,690,946.38
  5. Step 5: Solve for x
    x = 1,690,946.38/2,019.13
  6. Step 6: Final answer
    x = 837.46

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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.