Home / 1,996.05-2,991.24-1,562.70

Finding the Fourth Proportional to 1,996.05, 2,991.24 and 1,562.70

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Solution

The fourth proportional to 1,996.05, 2,991.24 and 1,562.70 is: 2,341.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,996.05 : 2,991.24 = 1,562.70 : x
  2. Step 2: Convert to fraction form
    1,996.05/2,991.24 = 1,562.70/x
  3. Step 3: Cross multiply
    1,996.05x = 2,991.24 × 1,562.70
  4. Step 4: Simplify right side
    1,996.05x = 4,674,410.75
  5. Step 5: Solve for x
    x = 4,674,410.75/1,996.05
  6. Step 6: Final answer
    x = 2,341.83

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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.