Home / 3,517.92-5,272.56-1,785.60

Finding the Fourth Proportional to 3,517.92, 5,272.56 and 1,785.60

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Solution

The fourth proportional to 3,517.92, 5,272.56 and 1,785.60 is: 2,676.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,517.92 : 5,272.56 = 1,785.60 : x
  2. Step 2: Convert to fraction form
    3,517.92/5,272.56 = 1,785.60/x
  3. Step 3: Cross multiply
    3,517.92x = 5,272.56 × 1,785.60
  4. Step 4: Simplify right side
    3,517.92x = 9,414,683.14
  5. Step 5: Solve for x
    x = 9,414,683.14/3,517.92
  6. Step 6: Final answer
    x = 2,676.21

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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.