Home / 3,327.88-4,991.90-1,478.68

Finding the Fourth Proportional to 3,327.88, 4,991.90 and 1,478.68

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Solution

The fourth proportional to 3,327.88, 4,991.90 and 1,478.68 is: 2,218.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,327.88 : 4,991.90 = 1,478.68 : x
  2. Step 2: Convert to fraction form
    3,327.88/4,991.90 = 1,478.68/x
  3. Step 3: Cross multiply
    3,327.88x = 4,991.90 × 1,478.68
  4. Step 4: Simplify right side
    3,327.88x = 7,381,422.69
  5. Step 5: Solve for x
    x = 7,381,422.69/3,327.88
  6. Step 6: Final answer
    x = 2,218.06

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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.