Home / 3,143.07-4,711.32-1,754.37

Finding the Fourth Proportional to 3,143.07, 4,711.32 and 1,754.37

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Solution

The fourth proportional to 3,143.07, 4,711.32 and 1,754.37 is: 2,629.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,143.07 : 4,711.32 = 1,754.37 : x
  2. Step 2: Convert to fraction form
    3,143.07/4,711.32 = 1,754.37/x
  3. Step 3: Cross multiply
    3,143.07x = 4,711.32 × 1,754.37
  4. Step 4: Simplify right side
    3,143.07x = 8,265,398.47
  5. Step 5: Solve for x
    x = 8,265,398.47/3,143.07
  6. Step 6: Final answer
    x = 2,629.72

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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.