Home / 3,615.25-5,422.79-1,150.07

Finding the Fourth Proportional to 3,615.25, 5,422.79 and 1,150.07

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Solution

The fourth proportional to 3,615.25, 5,422.79 and 1,150.07 is: 1,725.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,615.25 : 5,422.79 = 1,150.07 : x
  2. Step 2: Convert to fraction form
    3,615.25/5,422.79 = 1,150.07/x
  3. Step 3: Cross multiply
    3,615.25x = 5,422.79 × 1,150.07
  4. Step 4: Simplify right side
    3,615.25x = 6,236,590.97
  5. Step 5: Solve for x
    x = 6,236,590.97/3,615.25
  6. Step 6: Final answer
    x = 1,725.08

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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.