Home / 3,943.73-5,434.12-2,682.59

Finding the Fourth Proportional to 3,943.73, 5,434.12 and 2,682.59

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Solution

The fourth proportional to 3,943.73, 5,434.12 and 2,682.59 is: 3,696.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,943.73 : 5,434.12 = 2,682.59 : x
  2. Step 2: Convert to fraction form
    3,943.73/5,434.12 = 2,682.59/x
  3. Step 3: Cross multiply
    3,943.73x = 5,434.12 × 2,682.59
  4. Step 4: Simplify right side
    3,943.73x = 14,577,538.00
  5. Step 5: Solve for x
    x = 14,577,538.00/3,943.73
  6. Step 6: Final answer
    x = 3,696.38

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Double scale
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Similar ratio
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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.