Home / 4,091.28-5,645.20-2,497.60

Finding the Fourth Proportional to 4,091.28, 5,645.20 and 2,497.60

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Solution

The fourth proportional to 4,091.28, 5,645.20 and 2,497.60 is: 3,446.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,091.28 : 5,645.20 = 2,497.60 : x
  2. Step 2: Convert to fraction form
    4,091.28/5,645.20 = 2,497.60/x
  3. Step 3: Cross multiply
    4,091.28x = 5,645.20 × 2,497.60
  4. Step 4: Simplify right side
    4,091.28x = 14,099,451.52
  5. Step 5: Solve for x
    x = 14,099,451.52/4,091.28
  6. Step 6: Final answer
    x = 3,446.22

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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.