Home / 1,722.23-2,583.27-1,200.72

Finding the Fourth Proportional to 1,722.23, 2,583.27 and 1,200.72

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Solution

The fourth proportional to 1,722.23, 2,583.27 and 1,200.72 is: 1,801.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,722.23 : 2,583.27 = 1,200.72 : x
  2. Step 2: Convert to fraction form
    1,722.23/2,583.27 = 1,200.72/x
  3. Step 3: Cross multiply
    1,722.23x = 2,583.27 × 1,200.72
  4. Step 4: Simplify right side
    1,722.23x = 3,101,783.95
  5. Step 5: Solve for x
    x = 3,101,783.95/1,722.23
  6. Step 6: Final answer
    x = 1,801.03

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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.