Home / 3,683.85-5,082.42-2,090.28

Finding the Fourth Proportional to 3,683.85, 5,082.42 and 2,090.28

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Solution

The fourth proportional to 3,683.85, 5,082.42 and 2,090.28 is: 2,883.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,683.85 : 5,082.42 = 2,090.28 : x
  2. Step 2: Convert to fraction form
    3,683.85/5,082.42 = 2,090.28/x
  3. Step 3: Cross multiply
    3,683.85x = 5,082.42 × 2,090.28
  4. Step 4: Simplify right side
    3,683.85x = 10,623,680.88
  5. Step 5: Solve for x
    x = 10,623,680.88/3,683.85
  6. Step 6: Final answer
    x = 2,883.85

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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.