Home / 2,021.28-3,029.16-1,818.96

Finding the Fourth Proportional to 2,021.28, 3,029.16 and 1,818.96

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Solution

The fourth proportional to 2,021.28, 3,029.16 and 1,818.96 is: 2,725.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,021.28 : 3,029.16 = 1,818.96 : x
  2. Step 2: Convert to fraction form
    2,021.28/3,029.16 = 1,818.96/x
  3. Step 3: Cross multiply
    2,021.28x = 3,029.16 × 1,818.96
  4. Step 4: Simplify right side
    2,021.28x = 5,509,920.87
  5. Step 5: Solve for x
    x = 5,509,920.87/2,021.28
  6. Step 6: Final answer
    x = 2,725.96

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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.