Home / 3,428.26-5,142.98-1,579.33

Finding the Fourth Proportional to 3,428.26, 5,142.98 and 1,579.33

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Solution

The fourth proportional to 3,428.26, 5,142.98 and 1,579.33 is: 2,369.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,428.26 : 5,142.98 = 1,579.33 : x
  2. Step 2: Convert to fraction form
    3,428.26/5,142.98 = 1,579.33/x
  3. Step 3: Cross multiply
    3,428.26x = 5,142.98 × 1,579.33
  4. Step 4: Simplify right side
    3,428.26x = 8,122,462.60
  5. Step 5: Solve for x
    x = 8,122,462.60/3,428.26
  6. Step 6: Final answer
    x = 2,369.27

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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.