Home / 3,961.08-5,468.94-2,469.60

Finding the Fourth Proportional to 3,961.08, 5,468.94 and 2,469.60

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Solution

The fourth proportional to 3,961.08, 5,468.94 and 2,469.60 is: 3,409.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,961.08 : 5,468.94 = 2,469.60 : x
  2. Step 2: Convert to fraction form
    3,961.08/5,468.94 = 2,469.60/x
  3. Step 3: Cross multiply
    3,961.08x = 5,468.94 × 2,469.60
  4. Step 4: Simplify right side
    3,961.08x = 13,506,094.22
  5. Step 5: Solve for x
    x = 13,506,094.22/3,961.08
  6. Step 6: Final answer
    x = 3,409.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.