Home / 3,625.43-5,438.48-1,028.30

Finding the Fourth Proportional to 3,625.43, 5,438.48 and 1,028.30

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Solution

The fourth proportional to 3,625.43, 5,438.48 and 1,028.30 is: 1,542.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,625.43 : 5,438.48 = 1,028.30 : x
  2. Step 2: Convert to fraction form
    3,625.43/5,438.48 = 1,028.30/x
  3. Step 3: Cross multiply
    3,625.43x = 5,438.48 × 1,028.30
  4. Step 4: Simplify right side
    3,625.43x = 5,592,356.65
  5. Step 5: Solve for x
    x = 5,592,356.65/3,625.43
  6. Step 6: Final answer
    x = 1,542.54

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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.