Home / 2,564.00-3,845.99-1,979.85

Finding the Fourth Proportional to 2,564.00, 3,845.99 and 1,979.85

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Solution

The fourth proportional to 2,564.00, 3,845.99 and 1,979.85 is: 2,969.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,564.00 : 3,845.99 = 1,979.85 : x
  2. Step 2: Convert to fraction form
    2,564.00/3,845.99 = 1,979.85/x
  3. Step 3: Cross multiply
    2,564.00x = 3,845.99 × 1,979.85
  4. Step 4: Simplify right side
    2,564.00x = 7,614,502.67
  5. Step 5: Solve for x
    x = 7,614,502.67/2,564.00
  6. Step 6: Final answer
    x = 2,969.78

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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.