Home / 2,972.88-4,456.44-1,329.60

Finding the Fourth Proportional to 2,972.88, 4,456.44 and 1,329.60

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Solution

The fourth proportional to 2,972.88, 4,456.44 and 1,329.60 is: 1,993.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,972.88 : 4,456.44 = 1,329.60 : x
  2. Step 2: Convert to fraction form
    2,972.88/4,456.44 = 1,329.60/x
  3. Step 3: Cross multiply
    2,972.88x = 4,456.44 × 1,329.60
  4. Step 4: Simplify right side
    2,972.88x = 5,925,282.62
  5. Step 5: Solve for x
    x = 5,925,282.62/2,972.88
  6. Step 6: Final answer
    x = 1,993.11

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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.