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Finding the Fourth Proportional to 3,000.00, 4,139.99 and 1,673.62

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Solution

The fourth proportional to 3,000.00, 4,139.99 and 1,673.62 is: 2,309.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,000.00 : 4,139.99 = 1,673.62 : x
  2. Step 2: Convert to fraction form
    3,000.00/4,139.99 = 1,673.62/x
  3. Step 3: Cross multiply
    3,000.00x = 4,139.99 × 1,673.62
  4. Step 4: Simplify right side
    3,000.00x = 6,928,773.15
  5. Step 5: Solve for x
    x = 6,928,773.15/3,000.00
  6. Step 6: Final answer
    x = 2,309.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.