Home / 3,621.40-4,997.48-2,028.04

Finding the Fourth Proportional to 3,621.40, 4,997.48 and 2,028.04

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Solution

The fourth proportional to 3,621.40, 4,997.48 and 2,028.04 is: 2,798.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,621.40 : 4,997.48 = 2,028.04 : x
  2. Step 2: Convert to fraction form
    3,621.40/4,997.48 = 2,028.04/x
  3. Step 3: Cross multiply
    3,621.40x = 4,997.48 × 2,028.04
  4. Step 4: Simplify right side
    3,621.40x = 10,135,089.34
  5. Step 5: Solve for x
    x = 10,135,089.34/3,621.40
  6. Step 6: Final answer
    x = 2,798.67

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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.