Home / 3,451.28-5,177.48-1,371.30

Finding the Fourth Proportional to 3,451.28, 5,177.48 and 1,371.30

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Solution

The fourth proportional to 3,451.28, 5,177.48 and 1,371.30 is: 2,057.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,451.28 : 5,177.48 = 1,371.30 : x
  2. Step 2: Convert to fraction form
    3,451.28/5,177.48 = 1,371.30/x
  3. Step 3: Cross multiply
    3,451.28x = 5,177.48 × 1,371.30
  4. Step 4: Simplify right side
    3,451.28x = 7,099,878.32
  5. Step 5: Solve for x
    x = 7,099,878.32/3,451.28
  6. Step 6: Final answer
    x = 2,057.17

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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.