Home / 4,131.28-5,701.26-2,268.28

Finding the Fourth Proportional to 4,131.28, 5,701.26 and 2,268.28

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Solution

The fourth proportional to 4,131.28, 5,701.26 and 2,268.28 is: 3,130.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,131.28 : 5,701.26 = 2,268.28 : x
  2. Step 2: Convert to fraction form
    4,131.28/5,701.26 = 2,268.28/x
  3. Step 3: Cross multiply
    4,131.28x = 5,701.26 × 2,268.28
  4. Step 4: Simplify right side
    4,131.28x = 12,932,054.03
  5. Step 5: Solve for x
    x = 12,932,054.03/4,131.28
  6. Step 6: Final answer
    x = 3,130.28

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Half scale
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Double scale
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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.