Home / 3,626.05-5,438.46-1,028.38

Finding the Fourth Proportional to 3,626.05, 5,438.46 and 1,028.38

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Solution

The fourth proportional to 3,626.05, 5,438.46 and 1,028.38 is: 1,542.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,626.05 : 5,438.46 = 1,028.38 : x
  2. Step 2: Convert to fraction form
    3,626.05/5,438.46 = 1,028.38/x
  3. Step 3: Cross multiply
    3,626.05x = 5,438.46 × 1,028.38
  4. Step 4: Simplify right side
    3,626.05x = 5,592,803.49
  5. Step 5: Solve for x
    x = 5,592,803.49/3,626.05
  6. Step 6: Final answer
    x = 1,542.40

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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.