Home / 3,644.08-5,028.32-2,072.08

Finding the Fourth Proportional to 3,644.08, 5,028.32 and 2,072.08

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Solution

The fourth proportional to 3,644.08, 5,028.32 and 2,072.08 is: 2,859.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,644.08 : 5,028.32 = 2,072.08 : x
  2. Step 2: Convert to fraction form
    3,644.08/5,028.32 = 2,072.08/x
  3. Step 3: Cross multiply
    3,644.08x = 5,028.32 × 2,072.08
  4. Step 4: Simplify right side
    3,644.08x = 10,419,081.31
  5. Step 5: Solve for x
    x = 10,419,081.31/3,644.08
  6. Step 6: Final answer
    x = 2,859.18

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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.