Home / 3,143.48-4,716.52-1,757.80

Finding the Fourth Proportional to 3,143.48, 4,716.52 and 1,757.80

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Solution

The fourth proportional to 3,143.48, 4,716.52 and 1,757.80 is: 2,637.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,143.48 : 4,716.52 = 1,757.80 : x
  2. Step 2: Convert to fraction form
    3,143.48/4,716.52 = 1,757.80/x
  3. Step 3: Cross multiply
    3,143.48x = 4,716.52 × 1,757.80
  4. Step 4: Simplify right side
    3,143.48x = 8,290,698.86
  5. Step 5: Solve for x
    x = 8,290,698.86/3,143.48
  6. Step 6: Final answer
    x = 2,637.43

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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.