Home / 3,948.14-5,916.75-2,193.38

Finding the Fourth Proportional to 3,948.14, 5,916.75 and 2,193.38

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Solution

The fourth proportional to 3,948.14, 5,916.75 and 2,193.38 is: 3,287.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,948.14 : 5,916.75 = 2,193.38 : x
  2. Step 2: Convert to fraction form
    3,948.14/5,916.75 = 2,193.38/x
  3. Step 3: Cross multiply
    3,948.14x = 5,916.75 × 2,193.38
  4. Step 4: Simplify right side
    3,948.14x = 12,977,665.49
  5. Step 5: Solve for x
    x = 12,977,665.49/3,948.14
  6. Step 6: Final answer
    x = 3,287.03

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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.