Home / 3,468.26-5,202.38-1,389.20

Finding the Fourth Proportional to 3,468.26, 5,202.38 and 1,389.20

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Solution

The fourth proportional to 3,468.26, 5,202.38 and 1,389.20 is: 2,083.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,468.26 : 5,202.38 = 1,389.20 : x
  2. Step 2: Convert to fraction form
    3,468.26/5,202.38 = 1,389.20/x
  3. Step 3: Cross multiply
    3,468.26x = 5,202.38 × 1,389.20
  4. Step 4: Simplify right side
    3,468.26x = 7,227,146.30
  5. Step 5: Solve for x
    x = 7,227,146.30/3,468.26
  6. Step 6: Final answer
    x = 2,083.80

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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.