Home / 3,787.09-5,681.99-1,322.27

Finding the Fourth Proportional to 3,787.09, 5,681.99 and 1,322.27

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Solution

The fourth proportional to 3,787.09, 5,681.99 and 1,322.27 is: 1,983.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,787.09 : 5,681.99 = 1,322.27 : x
  2. Step 2: Convert to fraction form
    3,787.09/5,681.99 = 1,322.27/x
  3. Step 3: Cross multiply
    3,787.09x = 5,681.99 × 1,322.27
  4. Step 4: Simplify right side
    3,787.09x = 7,513,120.38
  5. Step 5: Solve for x
    x = 7,513,120.38/3,787.09
  6. Step 6: Final answer
    x = 1,983.88

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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.