Home / 3,750.38-5,138.00-3,610.20

Finding the Fourth Proportional to 3,750.38, 5,138.00 and 3,610.20

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Solution

The fourth proportional to 3,750.38, 5,138.00 and 3,610.20 is: 4,945.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,750.38 : 5,138.00 = 3,610.20 : x
  2. Step 2: Convert to fraction form
    3,750.38/5,138.00 = 3,610.20/x
  3. Step 3: Cross multiply
    3,750.38x = 5,138.00 × 3,610.20
  4. Step 4: Simplify right side
    3,750.38x = 18,549,189.55
  5. Step 5: Solve for x
    x = 18,549,189.55/3,750.38
  6. Step 6: Final answer
    x = 4,945.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.