Home / 3,198.24-4,415.04-1,871.52

Finding the Fourth Proportional to 3,198.24, 4,415.04 and 1,871.52

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Solution

The fourth proportional to 3,198.24, 4,415.04 and 1,871.52 is: 2,583.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,198.24 : 4,415.04 = 1,871.52 : x
  2. Step 2: Convert to fraction form
    3,198.24/4,415.04 = 1,871.52/x
  3. Step 3: Cross multiply
    3,198.24x = 4,415.04 × 1,871.52
  4. Step 4: Simplify right side
    3,198.24x = 8,262,835.66
  5. Step 5: Solve for x
    x = 8,262,835.66/3,198.24
  6. Step 6: Final answer
    x = 2,583.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.