Home / 3,941.28-5,443.20-3,441.60

Finding the Fourth Proportional to 3,941.28, 5,443.20 and 3,441.60

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Solution

The fourth proportional to 3,941.28, 5,443.20 and 3,441.60 is: 4,753.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,941.28 : 5,443.20 = 3,441.60 : x
  2. Step 2: Convert to fraction form
    3,941.28/5,443.20 = 3,441.60/x
  3. Step 3: Cross multiply
    3,941.28x = 5,443.20 × 3,441.60
  4. Step 4: Simplify right side
    3,941.28x = 18,733,317.12
  5. Step 5: Solve for x
    x = 18,733,317.12/3,941.28
  6. Step 6: Final answer
    x = 4,753.10

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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.