Home / 3,621.95-4,998.54-2,028.75

Finding the Fourth Proportional to 3,621.95, 4,998.54 and 2,028.75

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Solution

The fourth proportional to 3,621.95, 4,998.54 and 2,028.75 is: 2,799.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,621.95 : 4,998.54 = 2,028.75 : x
  2. Step 2: Convert to fraction form
    3,621.95/4,998.54 = 2,028.75/x
  3. Step 3: Cross multiply
    3,621.95x = 4,998.54 × 2,028.75
  4. Step 4: Simplify right side
    3,621.95x = 10,140,776.89
  5. Step 5: Solve for x
    x = 10,140,776.89/3,621.95
  6. Step 6: Final answer
    x = 2,799.81

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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.