Home / 3,206.85-4,813.91-2,153.44

Finding the Fourth Proportional to 3,206.85, 4,813.91 and 2,153.44

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Solution

The fourth proportional to 3,206.85, 4,813.91 and 2,153.44 is: 3,232.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,206.85 : 4,813.91 = 2,153.44 : x
  2. Step 2: Convert to fraction form
    3,206.85/4,813.91 = 2,153.44/x
  3. Step 3: Cross multiply
    3,206.85x = 4,813.91 × 2,153.44
  4. Step 4: Simplify right side
    3,206.85x = 10,366,466.35
  5. Step 5: Solve for x
    x = 10,366,466.35/3,206.85
  6. Step 6: Final answer
    x = 3,232.60

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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.