Home / 3,540.46-4,886.13-1,968.70

Finding the Fourth Proportional to 3,540.46, 4,886.13 and 1,968.70

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Solution

The fourth proportional to 3,540.46, 4,886.13 and 1,968.70 is: 2,716.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,540.46 : 4,886.13 = 1,968.70 : x
  2. Step 2: Convert to fraction form
    3,540.46/4,886.13 = 1,968.70/x
  3. Step 3: Cross multiply
    3,540.46x = 4,886.13 × 1,968.70
  4. Step 4: Simplify right side
    3,540.46x = 9,619,324.13
  5. Step 5: Solve for x
    x = 9,619,324.13/3,540.46
  6. Step 6: Final answer
    x = 2,716.97

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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.