Home / 3,493.45-5,240.96-1,028.29

Finding the Fourth Proportional to 3,493.45, 5,240.96 and 1,028.29

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Solution

The fourth proportional to 3,493.45, 5,240.96 and 1,028.29 is: 1,542.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,493.45 : 5,240.96 = 1,028.29 : x
  2. Step 2: Convert to fraction form
    3,493.45/5,240.96 = 1,028.29/x
  3. Step 3: Cross multiply
    3,493.45x = 5,240.96 × 1,028.29
  4. Step 4: Simplify right side
    3,493.45x = 5,389,226.76
  5. Step 5: Solve for x
    x = 5,389,226.76/3,493.45
  6. Step 6: Final answer
    x = 1,542.67

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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.