Home / 3,447.66-5,137.25-3,280.29

Finding the Fourth Proportional to 3,447.66, 5,137.25 and 3,280.29

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Solution

The fourth proportional to 3,447.66, 5,137.25 and 3,280.29 is: 4,887.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,447.66 : 5,137.25 = 3,280.29 : x
  2. Step 2: Convert to fraction form
    3,447.66/5,137.25 = 3,280.29/x
  3. Step 3: Cross multiply
    3,447.66x = 5,137.25 × 3,280.29
  4. Step 4: Simplify right side
    3,447.66x = 16,851,665.70
  5. Step 5: Solve for x
    x = 16,851,665.70/3,447.66
  6. Step 6: Final answer
    x = 4,887.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.