Home / 3,291.90-4,932.87-1,441.98

Finding the Fourth Proportional to 3,291.90, 4,932.87 and 1,441.98

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Solution

The fourth proportional to 3,291.90, 4,932.87 and 1,441.98 is: 2,160.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,291.90 : 4,932.87 = 1,441.98 : x
  2. Step 2: Convert to fraction form
    3,291.90/4,932.87 = 1,441.98/x
  3. Step 3: Cross multiply
    3,291.90x = 4,932.87 × 1,441.98
  4. Step 4: Simplify right side
    3,291.90x = 7,113,099.88
  5. Step 5: Solve for x
    x = 7,113,099.88/3,291.90
  6. Step 6: Final answer
    x = 2,160.79

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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.