Home / 3,145.79-4,716.62-1,759.27

Finding the Fourth Proportional to 3,145.79, 4,716.62 and 1,759.27

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Solution

The fourth proportional to 3,145.79, 4,716.62 and 1,759.27 is: 2,637.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,145.79 : 4,716.62 = 1,759.27 : x
  2. Step 2: Convert to fraction form
    3,145.79/4,716.62 = 1,759.27/x
  3. Step 3: Cross multiply
    3,145.79x = 4,716.62 × 1,759.27
  4. Step 4: Simplify right side
    3,145.79x = 8,297,808.07
  5. Step 5: Solve for x
    x = 8,297,808.07/3,145.79
  6. Step 6: Final answer
    x = 2,637.75

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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.