Home / 3,882.90-5,358.23-2,114.50

Finding the Fourth Proportional to 3,882.90, 5,358.23 and 2,114.50

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Solution

The fourth proportional to 3,882.90, 5,358.23 and 2,114.50 is: 2,917.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,882.90 : 5,358.23 = 2,114.50 : x
  2. Step 2: Convert to fraction form
    3,882.90/5,358.23 = 2,114.50/x
  3. Step 3: Cross multiply
    3,882.90x = 5,358.23 × 2,114.50
  4. Step 4: Simplify right side
    3,882.90x = 11,329,977.34
  5. Step 5: Solve for x
    x = 11,329,977.34/3,882.90
  6. Step 6: Final answer
    x = 2,917.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.