Home / 3,460.38-5,192.99-1,380.20

Finding the Fourth Proportional to 3,460.38, 5,192.99 and 1,380.20

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Solution

The fourth proportional to 3,460.38, 5,192.99 and 1,380.20 is: 2,071.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,460.38 : 5,192.99 = 1,380.20 : x
  2. Step 2: Convert to fraction form
    3,460.38/5,192.99 = 1,380.20/x
  3. Step 3: Cross multiply
    3,460.38x = 5,192.99 × 1,380.20
  4. Step 4: Simplify right side
    3,460.38x = 7,167,331.93
  5. Step 5: Solve for x
    x = 7,167,331.93/3,460.38
  6. Step 6: Final answer
    x = 2,071.26

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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.