Home / 3,329.91-4,992.75-1,427.94

Finding the Fourth Proportional to 3,329.91, 4,992.75 and 1,427.94

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Solution

The fourth proportional to 3,329.91, 4,992.75 and 1,427.94 is: 2,141.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,329.91 : 4,992.75 = 1,427.94 : x
  2. Step 2: Convert to fraction form
    3,329.91/4,992.75 = 1,427.94/x
  3. Step 3: Cross multiply
    3,329.91x = 4,992.75 × 1,427.94
  4. Step 4: Simplify right side
    3,329.91x = 7,129,347.44
  5. Step 5: Solve for x
    x = 7,129,347.44/3,329.91
  6. Step 6: Final answer
    x = 2,141.00

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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.