Home / 3,791.30-5,688.47-1,943.09

Finding the Fourth Proportional to 3,791.30, 5,688.47 and 1,943.09

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Solution

The fourth proportional to 3,791.30, 5,688.47 and 1,943.09 is: 2,915.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,791.30 : 5,688.47 = 1,943.09 : x
  2. Step 2: Convert to fraction form
    3,791.30/5,688.47 = 1,943.09/x
  3. Step 3: Cross multiply
    3,791.30x = 5,688.47 × 1,943.09
  4. Step 4: Simplify right side
    3,791.30x = 11,053,209.17
  5. Step 5: Solve for x
    x = 11,053,209.17/3,791.30
  6. Step 6: Final answer
    x = 2,915.41

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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.