Home / 3,327.16-4,977.30-2,780.44

Finding the Fourth Proportional to 3,327.16, 4,977.30 and 2,780.44

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Solution

The fourth proportional to 3,327.16, 4,977.30 and 2,780.44 is: 4,159.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,327.16 : 4,977.30 = 2,780.44 : x
  2. Step 2: Convert to fraction form
    3,327.16/4,977.30 = 2,780.44/x
  3. Step 3: Cross multiply
    3,327.16x = 4,977.30 × 2,780.44
  4. Step 4: Simplify right side
    3,327.16x = 13,839,084.01
  5. Step 5: Solve for x
    x = 13,839,084.01/3,327.16
  6. Step 6: Final answer
    x = 4,159.43

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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.