Home / 3,376.30-5,057.54-2,139.28

Finding the Fourth Proportional to 3,376.30, 5,057.54 and 2,139.28

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Solution

The fourth proportional to 3,376.30, 5,057.54 and 2,139.28 is: 3,204.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,376.30 : 5,057.54 = 2,139.28 : x
  2. Step 2: Convert to fraction form
    3,376.30/5,057.54 = 2,139.28/x
  3. Step 3: Cross multiply
    3,376.30x = 5,057.54 × 2,139.28
  4. Step 4: Simplify right side
    3,376.30x = 10,819,494.17
  5. Step 5: Solve for x
    x = 10,819,494.17/3,376.30
  6. Step 6: Final answer
    x = 3,204.54

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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.