Home / 2,992.25-4,488.37-1,431.88

Finding the Fourth Proportional to 2,992.25, 4,488.37 and 1,431.88

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Solution

The fourth proportional to 2,992.25, 4,488.37 and 1,431.88 is: 2,147.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,992.25 : 4,488.37 = 1,431.88 : x
  2. Step 2: Convert to fraction form
    2,992.25/4,488.37 = 1,431.88/x
  3. Step 3: Cross multiply
    2,992.25x = 4,488.37 × 1,431.88
  4. Step 4: Simplify right side
    2,992.25x = 6,426,803.66
  5. Step 5: Solve for x
    x = 6,426,803.66/2,992.25
  6. Step 6: Final answer
    x = 2,147.82

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.