Home / 2,019.53-3,027.75-1,813.48

Finding the Fourth Proportional to 2,019.53, 3,027.75 and 1,813.48

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Solution

The fourth proportional to 2,019.53, 3,027.75 and 1,813.48 is: 2,718.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,019.53 : 3,027.75 = 1,813.48 : x
  2. Step 2: Convert to fraction form
    2,019.53/3,027.75 = 1,813.48/x
  3. Step 3: Cross multiply
    2,019.53x = 3,027.75 × 1,813.48
  4. Step 4: Simplify right side
    2,019.53x = 5,490,760.74
  5. Step 5: Solve for x
    x = 5,490,760.74/2,019.53
  6. Step 6: Final answer
    x = 2,718.83

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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.