Home / 2,614.13-3,914.00-1,687.38

Finding the Fourth Proportional to 2,614.13, 3,914.00 and 1,687.38

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Solution

The fourth proportional to 2,614.13, 3,914.00 and 1,687.38 is: 2,526.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,614.13 : 3,914.00 = 1,687.38 : x
  2. Step 2: Convert to fraction form
    2,614.13/3,914.00 = 1,687.38/x
  3. Step 3: Cross multiply
    2,614.13x = 3,914.00 × 1,687.38
  4. Step 4: Simplify right side
    2,614.13x = 6,604,396.88
  5. Step 5: Solve for x
    x = 6,604,396.88/2,614.13
  6. Step 6: Final answer
    x = 2,526.43

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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.