Home / 3,104.32-4,658.64-2,131.36

Finding the Fourth Proportional to 3,104.32, 4,658.64 and 2,131.36

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Solution

The fourth proportional to 3,104.32, 4,658.64 and 2,131.36 is: 3,198.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,104.32 : 4,658.64 = 2,131.36 : x
  2. Step 2: Convert to fraction form
    3,104.32/4,658.64 = 2,131.36/x
  3. Step 3: Cross multiply
    3,104.32x = 4,658.64 × 2,131.36
  4. Step 4: Simplify right side
    3,104.32x = 9,929,238.95
  5. Step 5: Solve for x
    x = 9,929,238.95/3,104.32
  6. Step 6: Final answer
    x = 3,198.52

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1.5x scale

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.