Home / 3,782.28-5,219.76-2,104.06

Finding the Fourth Proportional to 3,782.28, 5,219.76 and 2,104.06

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Solution

The fourth proportional to 3,782.28, 5,219.76 and 2,104.06 is: 2,903.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,782.28 : 5,219.76 = 2,104.06 : x
  2. Step 2: Convert to fraction form
    3,782.28/5,219.76 = 2,104.06/x
  3. Step 3: Cross multiply
    3,782.28x = 5,219.76 × 2,104.06
  4. Step 4: Simplify right side
    3,782.28x = 10,982,688.23
  5. Step 5: Solve for x
    x = 10,982,688.23/3,782.28
  6. Step 6: Final answer
    x = 2,903.72

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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.