Home / 3,736.28-5,155.62-2,164.16

Finding the Fourth Proportional to 3,736.28, 5,155.62 and 2,164.16

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Solution

The fourth proportional to 3,736.28, 5,155.62 and 2,164.16 is: 2,986.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,736.28 : 5,155.62 = 2,164.16 : x
  2. Step 2: Convert to fraction form
    3,736.28/5,155.62 = 2,164.16/x
  3. Step 3: Cross multiply
    3,736.28x = 5,155.62 × 2,164.16
  4. Step 4: Simplify right side
    3,736.28x = 11,157,586.58
  5. Step 5: Solve for x
    x = 11,157,586.58/3,736.28
  6. Step 6: Final answer
    x = 2,986.28

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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.