Home / 3,276.36-4,891.86-3,188.88

Finding the Fourth Proportional to 3,276.36, 4,891.86 and 3,188.88

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Solution

The fourth proportional to 3,276.36, 4,891.86 and 3,188.88 is: 4,761.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,276.36 : 4,891.86 = 3,188.88 : x
  2. Step 2: Convert to fraction form
    3,276.36/4,891.86 = 3,188.88/x
  3. Step 3: Cross multiply
    3,276.36x = 4,891.86 × 3,188.88
  4. Step 4: Simplify right side
    3,276.36x = 15,599,554.52
  5. Step 5: Solve for x
    x = 15,599,554.52/3,276.36
  6. Step 6: Final answer
    x = 4,761.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.