Home / 3,615.44-5,423.34-1,018.58

Finding the Fourth Proportional to 3,615.44, 5,423.34 and 1,018.58

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Solution

The fourth proportional to 3,615.44, 5,423.34 and 1,018.58 is: 1,527.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,615.44 : 5,423.34 = 1,018.58 : x
  2. Step 2: Convert to fraction form
    3,615.44/5,423.34 = 1,018.58/x
  3. Step 3: Cross multiply
    3,615.44x = 5,423.34 × 1,018.58
  4. Step 4: Simplify right side
    3,615.44x = 5,524,078.54
  5. Step 5: Solve for x
    x = 5,524,078.54/3,615.44
  6. Step 6: Final answer
    x = 1,527.92

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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.