Home / 3,823.05-5,740.38-3,635.13

Finding the Fourth Proportional to 3,823.05, 5,740.38 and 3,635.13

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Solution

The fourth proportional to 3,823.05, 5,740.38 and 3,635.13 is: 5,458.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,823.05 : 5,740.38 = 3,635.13 : x
  2. Step 2: Convert to fraction form
    3,823.05/5,740.38 = 3,635.13/x
  3. Step 3: Cross multiply
    3,823.05x = 5,740.38 × 3,635.13
  4. Step 4: Simplify right side
    3,823.05x = 20,867,027.55
  5. Step 5: Solve for x
    x = 20,867,027.55/3,823.05
  6. Step 6: Final answer
    x = 5,458.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.