Home / 2,651.07-3,972.29-1,350.75

Finding the Fourth Proportional to 2,651.07, 3,972.29 and 1,350.75

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Solution

The fourth proportional to 2,651.07, 3,972.29 and 1,350.75 is: 2,023.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,651.07 : 3,972.29 = 1,350.75 : x
  2. Step 2: Convert to fraction form
    2,651.07/3,972.29 = 1,350.75/x
  3. Step 3: Cross multiply
    2,651.07x = 3,972.29 × 1,350.75
  4. Step 4: Simplify right side
    2,651.07x = 5,365,563.96
  5. Step 5: Solve for x
    x = 5,365,563.96/2,651.07
  6. Step 6: Final answer
    x = 2,023.92

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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.