Home / 3,698.06-5,101.80-2,205.68

Finding the Fourth Proportional to 3,698.06, 5,101.80 and 2,205.68

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Solution

The fourth proportional to 3,698.06, 5,101.80 and 2,205.68 is: 3,042.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,698.06 : 5,101.80 = 2,205.68 : x
  2. Step 2: Convert to fraction form
    3,698.06/5,101.80 = 2,205.68/x
  3. Step 3: Cross multiply
    3,698.06x = 5,101.80 × 2,205.68
  4. Step 4: Simplify right side
    3,698.06x = 11,252,938.22
  5. Step 5: Solve for x
    x = 11,252,938.22/3,698.06
  6. Step 6: Final answer
    x = 3,042.93

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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.