Home / 3,184.45-4,392.97-2,764.24

Finding the Fourth Proportional to 3,184.45, 4,392.97 and 2,764.24

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Solution

The fourth proportional to 3,184.45, 4,392.97 and 2,764.24 is: 3,813.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,184.45 : 4,392.97 = 2,764.24 : x
  2. Step 2: Convert to fraction form
    3,184.45/4,392.97 = 2,764.24/x
  3. Step 3: Cross multiply
    3,184.45x = 4,392.97 × 2,764.24
  4. Step 4: Simplify right side
    3,184.45x = 12,143,223.39
  5. Step 5: Solve for x
    x = 12,143,223.39/3,184.45
  6. Step 6: Final answer
    x = 3,813.29

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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.