Home / 2,881.35-4,321.62-933.30

Finding the Fourth Proportional to 2,881.35, 4,321.62 and 933.30

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Solution

The fourth proportional to 2,881.35, 4,321.62 and 933.30 is: 1,399.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,881.35 : 4,321.62 = 933.30 : x
  2. Step 2: Convert to fraction form
    2,881.35/4,321.62 = 933.30/x
  3. Step 3: Cross multiply
    2,881.35x = 4,321.62 × 933.30
  4. Step 4: Simplify right side
    2,881.35x = 4,033,367.95
  5. Step 5: Solve for x
    x = 4,033,367.95/2,881.35
  6. Step 6: Final answer
    x = 1,399.82

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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.