Home / 3,629.12-5,007.87-2,035.40

Finding the Fourth Proportional to 3,629.12, 5,007.87 and 2,035.40

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Solution

The fourth proportional to 3,629.12, 5,007.87 and 2,035.40 is: 2,808.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,629.12 : 5,007.87 = 2,035.40 : x
  2. Step 2: Convert to fraction form
    3,629.12/5,007.87 = 2,035.40/x
  3. Step 3: Cross multiply
    3,629.12x = 5,007.87 × 2,035.40
  4. Step 4: Simplify right side
    3,629.12x = 10,192,993.56
  5. Step 5: Solve for x
    x = 10,192,993.56/3,629.12
  6. Step 6: Final answer
    x = 2,808.67

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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.