Home / 3,817.34-5,716.73-2,643.99

Finding the Fourth Proportional to 3,817.34, 5,716.73 and 2,643.99

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Solution

The fourth proportional to 3,817.34, 5,716.73 and 2,643.99 is: 3,959.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,817.34 : 5,716.73 = 2,643.99 : x
  2. Step 2: Convert to fraction form
    3,817.34/5,716.73 = 2,643.99/x
  3. Step 3: Cross multiply
    3,817.34x = 5,716.73 × 2,643.99
  4. Step 4: Simplify right side
    3,817.34x = 15,114,979.41
  5. Step 5: Solve for x
    x = 15,114,979.41/3,817.34
  6. Step 6: Final answer
    x = 3,959.56

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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.