Home / 4,198.60-6,296.10-2,117.80

Finding the Fourth Proportional to 4,198.60, 6,296.10 and 2,117.80

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Solution

The fourth proportional to 4,198.60, 6,296.10 and 2,117.80 is: 3,175.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,198.60 : 6,296.10 = 2,117.80 : x
  2. Step 2: Convert to fraction form
    4,198.60/6,296.10 = 2,117.80/x
  3. Step 3: Cross multiply
    4,198.60x = 6,296.10 × 2,117.80
  4. Step 4: Simplify right side
    4,198.60x = 13,333,880.58
  5. Step 5: Solve for x
    x = 13,333,880.58/4,198.60
  6. Step 6: Final answer
    x = 3,175.79

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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.