Home / 1,474.85-2,212.68-1,200.26

Finding the Fourth Proportional to 1,474.85, 2,212.68 and 1,200.26

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Solution

The fourth proportional to 1,474.85, 2,212.68 and 1,200.26 is: 1,800.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,474.85 : 2,212.68 = 1,200.26 : x
  2. Step 2: Convert to fraction form
    1,474.85/2,212.68 = 1,200.26/x
  3. Step 3: Cross multiply
    1,474.85x = 2,212.68 × 1,200.26
  4. Step 4: Simplify right side
    1,474.85x = 2,655,791.30
  5. Step 5: Solve for x
    x = 2,655,791.30/1,474.85
  6. Step 6: Final answer
    x = 1,800.72

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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.