Home / 3,512.25-5,263.86-1,429.83

Finding the Fourth Proportional to 3,512.25, 5,263.86 and 1,429.83

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Solution

The fourth proportional to 3,512.25, 5,263.86 and 1,429.83 is: 2,142.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,512.25 : 5,263.86 = 1,429.83 : x
  2. Step 2: Convert to fraction form
    3,512.25/5,263.86 = 1,429.83/x
  3. Step 3: Cross multiply
    3,512.25x = 5,263.86 × 1,429.83
  4. Step 4: Simplify right side
    3,512.25x = 7,526,424.94
  5. Step 5: Solve for x
    x = 7,526,424.94/3,512.25
  6. Step 6: Final answer
    x = 2,142.91

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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.