Home / 2,722.38-4,083.10-1,056.26

Finding the Fourth Proportional to 2,722.38, 4,083.10 and 1,056.26

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Solution

The fourth proportional to 2,722.38, 4,083.10 and 1,056.26 is: 1,584.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,722.38 : 4,083.10 = 1,056.26 : x
  2. Step 2: Convert to fraction form
    2,722.38/4,083.10 = 1,056.26/x
  3. Step 3: Cross multiply
    2,722.38x = 4,083.10 × 1,056.26
  4. Step 4: Simplify right side
    2,722.38x = 4,312,815.21
  5. Step 5: Solve for x
    x = 4,312,815.21/2,722.38
  6. Step 6: Final answer
    x = 1,584.21

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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.