Home / 2,868.35-4,301.11-1,019.19

Finding the Fourth Proportional to 2,868.35, 4,301.11 and 1,019.19

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Solution

The fourth proportional to 2,868.35, 4,301.11 and 1,019.19 is: 1,528.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,868.35 : 4,301.11 = 1,019.19 : x
  2. Step 2: Convert to fraction form
    2,868.35/4,301.11 = 1,019.19/x
  3. Step 3: Cross multiply
    2,868.35x = 4,301.11 × 1,019.19
  4. Step 4: Simplify right side
    2,868.35x = 4,383,645.75
  5. Step 5: Solve for x
    x = 4,383,645.75/2,868.35
  6. Step 6: Final answer
    x = 1,528.28

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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.