Home / 3,276.36-4,914.62-1,426.20

Finding the Fourth Proportional to 3,276.36, 4,914.62 and 1,426.20

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Solution

The fourth proportional to 3,276.36, 4,914.62 and 1,426.20 is: 2,139.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,276.36 : 4,914.62 = 1,426.20 : x
  2. Step 2: Convert to fraction form
    3,276.36/4,914.62 = 1,426.20/x
  3. Step 3: Cross multiply
    3,276.36x = 4,914.62 × 1,426.20
  4. Step 4: Simplify right side
    3,276.36x = 7,009,231.04
  5. Step 5: Solve for x
    x = 7,009,231.04/3,276.36
  6. Step 6: Final answer
    x = 2,139.33

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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.