Home / 1,722.72-2,584.10-1,359.44

Finding the Fourth Proportional to 1,722.72, 2,584.10 and 1,359.44

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Solution

The fourth proportional to 1,722.72, 2,584.10 and 1,359.44 is: 2,039.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,722.72 : 2,584.10 = 1,359.44 : x
  2. Step 2: Convert to fraction form
    1,722.72/2,584.10 = 1,359.44/x
  3. Step 3: Cross multiply
    1,722.72x = 2,584.10 × 1,359.44
  4. Step 4: Simplify right side
    1,722.72x = 3,512,928.90
  5. Step 5: Solve for x
    x = 3,512,928.90/1,722.72
  6. Step 6: Final answer
    x = 2,039.18

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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.