Home / 2,198.44-3,031.90-1,824.84

Finding the Fourth Proportional to 2,198.44, 3,031.90 and 1,824.84

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Solution

The fourth proportional to 2,198.44, 3,031.90 and 1,824.84 is: 2,516.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,198.44 : 3,031.90 = 1,824.84 : x
  2. Step 2: Convert to fraction form
    2,198.44/3,031.90 = 1,824.84/x
  3. Step 3: Cross multiply
    2,198.44x = 3,031.90 × 1,824.84
  4. Step 4: Simplify right side
    2,198.44x = 5,532,732.40
  5. Step 5: Solve for x
    x = 5,532,732.40/2,198.44
  6. Step 6: Final answer
    x = 2,516.66

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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.