Home / 3,276.38-4,914.80-1,085.16

Finding the Fourth Proportional to 3,276.38, 4,914.80 and 1,085.16

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Solution

The fourth proportional to 3,276.38, 4,914.80 and 1,085.16 is: 1,627.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,276.38 : 4,914.80 = 1,085.16 : x
  2. Step 2: Convert to fraction form
    3,276.38/4,914.80 = 1,085.16/x
  3. Step 3: Cross multiply
    3,276.38x = 4,914.80 × 1,085.16
  4. Step 4: Simplify right side
    3,276.38x = 5,333,344.37
  5. Step 5: Solve for x
    x = 5,333,344.37/3,276.38
  6. Step 6: Final answer
    x = 1,627.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.