Home / 3,629.07-5,010.93-2,788.43

Finding the Fourth Proportional to 3,629.07, 5,010.93 and 2,788.43

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Solution

The fourth proportional to 3,629.07, 5,010.93 and 2,788.43 is: 3,850.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,629.07 : 5,010.93 = 2,788.43 : x
  2. Step 2: Convert to fraction form
    3,629.07/5,010.93 = 2,788.43/x
  3. Step 3: Cross multiply
    3,629.07x = 5,010.93 × 2,788.43
  4. Step 4: Simplify right side
    3,629.07x = 13,972,602.49
  5. Step 5: Solve for x
    x = 13,972,602.49/3,629.07
  6. Step 6: Final answer
    x = 3,850.19

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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.