Home / 3,040.25-4,558.66-959.86

Finding the Fourth Proportional to 3,040.25, 4,558.66 and 959.86

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Solution

The fourth proportional to 3,040.25, 4,558.66 and 959.86 is: 1,439.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,040.25 : 4,558.66 = 959.86 : x
  2. Step 2: Convert to fraction form
    3,040.25/4,558.66 = 959.86/x
  3. Step 3: Cross multiply
    3,040.25x = 4,558.66 × 959.86
  4. Step 4: Simplify right side
    3,040.25x = 4,375,675.39
  5. Step 5: Solve for x
    x = 4,375,675.39/3,040.25
  6. Step 6: Final answer
    x = 1,439.25

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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.