Home / 3,147.68-4,718.00-1,296.56

Finding the Fourth Proportional to 3,147.68, 4,718.00 and 1,296.56

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Solution

The fourth proportional to 3,147.68, 4,718.00 and 1,296.56 is: 1,943.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,147.68 : 4,718.00 = 1,296.56 : x
  2. Step 2: Convert to fraction form
    3,147.68/4,718.00 = 1,296.56/x
  3. Step 3: Cross multiply
    3,147.68x = 4,718.00 × 1,296.56
  4. Step 4: Simplify right side
    3,147.68x = 6,117,149.73
  5. Step 5: Solve for x
    x = 6,117,149.73/3,147.68
  6. Step 6: Final answer
    x = 1,943.39

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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.