Home / 3,683.21-5,082.38-2,089.73

Finding the Fourth Proportional to 3,683.21, 5,082.38 and 2,089.73

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Solution

The fourth proportional to 3,683.21, 5,082.38 and 2,089.73 is: 2,883.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,683.21 : 5,082.38 = 2,089.73 : x
  2. Step 2: Convert to fraction form
    3,683.21/5,082.38 = 2,089.73/x
  3. Step 3: Cross multiply
    3,683.21x = 5,082.38 × 2,089.73
  4. Step 4: Simplify right side
    3,683.21x = 10,620,812.05
  5. Step 5: Solve for x
    x = 10,620,812.05/3,683.21
  6. Step 6: Final answer
    x = 2,883.58

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Half scale
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Double scale
Find fourth proportional to 3,684.21, 5,083.76 and 2,090.73
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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.