Home / 3,699.09-5,104.62-2,126.88

Finding the Fourth Proportional to 3,699.09, 5,104.62 and 2,126.88

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Solution

The fourth proportional to 3,699.09, 5,104.62 and 2,126.88 is: 2,935.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,699.09 : 5,104.62 = 2,126.88 : x
  2. Step 2: Convert to fraction form
    3,699.09/5,104.62 = 2,126.88/x
  3. Step 3: Cross multiply
    3,699.09x = 5,104.62 × 2,126.88
  4. Step 4: Simplify right side
    3,699.09x = 10,856,914.19
  5. Step 5: Solve for x
    x = 10,856,914.19/3,699.09
  6. Step 6: Final answer
    x = 2,935.02

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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.