Home / 3,467.80-5,201.70-2,155.60

Finding the Fourth Proportional to 3,467.80, 5,201.70 and 2,155.60

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Solution

The fourth proportional to 3,467.80, 5,201.70 and 2,155.60 is: 3,233.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,467.80 : 5,201.70 = 2,155.60 : x
  2. Step 2: Convert to fraction form
    3,467.80/5,201.70 = 2,155.60/x
  3. Step 3: Cross multiply
    3,467.80x = 5,201.70 × 2,155.60
  4. Step 4: Simplify right side
    3,467.80x = 11,212,784.52
  5. Step 5: Solve for x
    x = 11,212,784.52/3,467.80
  6. Step 6: Final answer
    x = 3,233.40

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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.