Home / 3,104.28-4,283.73-1,778.04

Finding the Fourth Proportional to 3,104.28, 4,283.73 and 1,778.04

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Solution

The fourth proportional to 3,104.28, 4,283.73 and 1,778.04 is: 2,453.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,104.28 : 4,283.73 = 1,778.04 : x
  2. Step 2: Convert to fraction form
    3,104.28/4,283.73 = 1,778.04/x
  3. Step 3: Cross multiply
    3,104.28x = 4,283.73 × 1,778.04
  4. Step 4: Simplify right side
    3,104.28x = 7,616,643.29
  5. Step 5: Solve for x
    x = 7,616,643.29/3,104.28
  6. Step 6: Final answer
    x = 2,453.59

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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.