Home / 3,621.98-4,998.18-2,028.50

Finding the Fourth Proportional to 3,621.98, 4,998.18 and 2,028.50

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Solution

The fourth proportional to 3,621.98, 4,998.18 and 2,028.50 is: 2,799.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,621.98 : 4,998.18 = 2,028.50 : x
  2. Step 2: Convert to fraction form
    3,621.98/4,998.18 = 2,028.50/x
  3. Step 3: Cross multiply
    3,621.98x = 4,998.18 × 2,028.50
  4. Step 4: Simplify right side
    3,621.98x = 10,138,808.13
  5. Step 5: Solve for x
    x = 10,138,808.13/3,621.98
  6. Step 6: Final answer
    x = 2,799.24

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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.