Home / 3,619.97-5,430.42-1,022.97

Finding the Fourth Proportional to 3,619.97, 5,430.42 and 1,022.97

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Solution

The fourth proportional to 3,619.97, 5,430.42 and 1,022.97 is: 1,534.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,619.97 : 5,430.42 = 1,022.97 : x
  2. Step 2: Convert to fraction form
    3,619.97/5,430.42 = 1,022.97/x
  3. Step 3: Cross multiply
    3,619.97x = 5,430.42 × 1,022.97
  4. Step 4: Simplify right side
    3,619.97x = 5,555,156.75
  5. Step 5: Solve for x
    x = 5,555,156.75/3,619.97
  6. Step 6: Final answer
    x = 1,534.59

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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.