Home / 3,447.39-5,167.95-1,255.60

Finding the Fourth Proportional to 3,447.39, 5,167.95 and 1,255.60

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Solution

The fourth proportional to 3,447.39, 5,167.95 and 1,255.60 is: 1,882.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,447.39 : 5,167.95 = 1,255.60 : x
  2. Step 2: Convert to fraction form
    3,447.39/5,167.95 = 1,255.60/x
  3. Step 3: Cross multiply
    3,447.39x = 5,167.95 × 1,255.60
  4. Step 4: Simplify right side
    3,447.39x = 6,488,878.02
  5. Step 5: Solve for x
    x = 6,488,878.02/3,447.39
  6. Step 6: Final answer
    x = 1,882.26

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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.