Home / 3,768.62-5,200.95-2,090.30

Finding the Fourth Proportional to 3,768.62, 5,200.95 and 2,090.30

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Solution

The fourth proportional to 3,768.62, 5,200.95 and 2,090.30 is: 2,884.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,768.62 : 5,200.95 = 2,090.30 : x
  2. Step 2: Convert to fraction form
    3,768.62/5,200.95 = 2,090.30/x
  3. Step 3: Cross multiply
    3,768.62x = 5,200.95 × 2,090.30
  4. Step 4: Simplify right side
    3,768.62x = 10,871,545.79
  5. Step 5: Solve for x
    x = 10,871,545.79/3,768.62
  6. Step 6: Final answer
    x = 2,884.76

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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.