Home / 3,707.09-5,115.59-2,028.17

Finding the Fourth Proportional to 3,707.09, 5,115.59 and 2,028.17

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Solution

The fourth proportional to 3,707.09, 5,115.59 and 2,028.17 is: 2,798.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,707.09 : 5,115.59 = 2,028.17 : x
  2. Step 2: Convert to fraction form
    3,707.09/5,115.59 = 2,028.17/x
  3. Step 3: Cross multiply
    3,707.09x = 5,115.59 × 2,028.17
  4. Step 4: Simplify right side
    3,707.09x = 10,375,286.17
  5. Step 5: Solve for x
    x = 10,375,286.17/3,707.09
  6. Step 6: Final answer
    x = 2,798.77

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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.