Home / 3,338.20-5,003.10-1,695.20

Finding the Fourth Proportional to 3,338.20, 5,003.10 and 1,695.20

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Solution

The fourth proportional to 3,338.20, 5,003.10 and 1,695.20 is: 2,540.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,338.20 : 5,003.10 = 1,695.20 : x
  2. Step 2: Convert to fraction form
    3,338.20/5,003.10 = 1,695.20/x
  3. Step 3: Cross multiply
    3,338.20x = 5,003.10 × 1,695.20
  4. Step 4: Simplify right side
    3,338.20x = 8,481,255.12
  5. Step 5: Solve for x
    x = 8,481,255.12/3,338.20
  6. Step 6: Final answer
    x = 2,540.67

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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.