Home / 4,168.28-5,752.20-2,489.60

Finding the Fourth Proportional to 4,168.28, 5,752.20 and 2,489.60

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Solution

The fourth proportional to 4,168.28, 5,752.20 and 2,489.60 is: 3,435.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,168.28 : 5,752.20 = 2,489.60 : x
  2. Step 2: Convert to fraction form
    4,168.28/5,752.20 = 2,489.60/x
  3. Step 3: Cross multiply
    4,168.28x = 5,752.20 × 2,489.60
  4. Step 4: Simplify right side
    4,168.28x = 14,320,677.12
  5. Step 5: Solve for x
    x = 14,320,677.12/4,168.28
  6. Step 6: Final answer
    x = 3,435.63

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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.