Home / 3,621.87-4,998.27-2,028.51

Finding the Fourth Proportional to 3,621.87, 4,998.27 and 2,028.51

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Solution

The fourth proportional to 3,621.87, 4,998.27 and 2,028.51 is: 2,799.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,621.87 : 4,998.27 = 2,028.51 : x
  2. Step 2: Convert to fraction form
    3,621.87/4,998.27 = 2,028.51/x
  3. Step 3: Cross multiply
    3,621.87x = 4,998.27 × 2,028.51
  4. Step 4: Simplify right side
    3,621.87x = 10,139,040.68
  5. Step 5: Solve for x
    x = 10,139,040.68/3,621.87
  6. Step 6: Final answer
    x = 2,799.39

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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.