Home / 3,236.82-4,855.14-1,387.01

Finding the Fourth Proportional to 3,236.82, 4,855.14 and 1,387.01

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Solution

The fourth proportional to 3,236.82, 4,855.14 and 1,387.01 is: 2,080.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,236.82 : 4,855.14 = 1,387.01 : x
  2. Step 2: Convert to fraction form
    3,236.82/4,855.14 = 1,387.01/x
  3. Step 3: Cross multiply
    3,236.82x = 4,855.14 × 1,387.01
  4. Step 4: Simplify right side
    3,236.82x = 6,734,103.46
  5. Step 5: Solve for x
    x = 6,734,103.46/3,236.82
  6. Step 6: Final answer
    x = 2,080.47

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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.