Home / 3,081.80-4,622.46-1,437.96

Finding the Fourth Proportional to 3,081.80, 4,622.46 and 1,437.96

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Solution

The fourth proportional to 3,081.80, 4,622.46 and 1,437.96 is: 2,156.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,081.80 : 4,622.46 = 1,437.96 : x
  2. Step 2: Convert to fraction form
    3,081.80/4,622.46 = 1,437.96/x
  3. Step 3: Cross multiply
    3,081.80x = 4,622.46 × 1,437.96
  4. Step 4: Simplify right side
    3,081.80x = 6,646,912.58
  5. Step 5: Solve for x
    x = 6,646,912.58/3,081.80
  6. Step 6: Final answer
    x = 2,156.83

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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.