Home / 3,698.48-5,103.86-2,126.58

Finding the Fourth Proportional to 3,698.48, 5,103.86 and 2,126.58

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Solution

The fourth proportional to 3,698.48, 5,103.86 and 2,126.58 is: 2,934.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,698.48 : 5,103.86 = 2,126.58 : x
  2. Step 2: Convert to fraction form
    3,698.48/5,103.86 = 2,126.58/x
  3. Step 3: Cross multiply
    3,698.48x = 5,103.86 × 2,126.58
  4. Step 4: Simplify right side
    3,698.48x = 10,853,766.60
  5. Step 5: Solve for x
    x = 10,853,766.60/3,698.48
  6. Step 6: Final answer
    x = 2,934.66

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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.