Home / 3,147.05-4,718.52-1,760.54

Finding the Fourth Proportional to 3,147.05, 4,718.52 and 1,760.54

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Solution

The fourth proportional to 3,147.05, 4,718.52 and 1,760.54 is: 2,639.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,147.05 : 4,718.52 = 1,760.54 : x
  2. Step 2: Convert to fraction form
    3,147.05/4,718.52 = 1,760.54/x
  3. Step 3: Cross multiply
    3,147.05x = 4,718.52 × 1,760.54
  4. Step 4: Simplify right side
    3,147.05x = 8,307,143.20
  5. Step 5: Solve for x
    x = 8,307,143.20/3,147.05
  6. Step 6: Final answer
    x = 2,639.66

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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.