Home / 3,698.35-5,103.50-2,126.44

Finding the Fourth Proportional to 3,698.35, 5,103.50 and 2,126.44

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Solution

The fourth proportional to 3,698.35, 5,103.50 and 2,126.44 is: 2,934.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,698.35 : 5,103.50 = 2,126.44 : x
  2. Step 2: Convert to fraction form
    3,698.35/5,103.50 = 2,126.44/x
  3. Step 3: Cross multiply
    3,698.35x = 5,103.50 × 2,126.44
  4. Step 4: Simplify right side
    3,698.35x = 10,852,286.54
  5. Step 5: Solve for x
    x = 10,852,286.54/3,698.35
  6. Step 6: Final answer
    x = 2,934.36

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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.