Home / 3,448.05-5,171.27-1,255.59

Finding the Fourth Proportional to 3,448.05, 5,171.27 and 1,255.59

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Solution

The fourth proportional to 3,448.05, 5,171.27 and 1,255.59 is: 1,883.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,448.05 : 5,171.27 = 1,255.59 : x
  2. Step 2: Convert to fraction form
    3,448.05/5,171.27 = 1,255.59/x
  3. Step 3: Cross multiply
    3,448.05x = 5,171.27 × 1,255.59
  4. Step 4: Simplify right side
    3,448.05x = 6,492,988.62
  5. Step 5: Solve for x
    x = 6,492,988.62/3,448.05
  6. Step 6: Final answer
    x = 1,883.09

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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.