Home / 3,140.26-4,698.24-2,163.40

Finding the Fourth Proportional to 3,140.26, 4,698.24 and 2,163.40

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Solution

The fourth proportional to 3,140.26, 4,698.24 and 2,163.40 is: 3,236.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,140.26 : 4,698.24 = 2,163.40 : x
  2. Step 2: Convert to fraction form
    3,140.26/4,698.24 = 2,163.40/x
  3. Step 3: Cross multiply
    3,140.26x = 4,698.24 × 2,163.40
  4. Step 4: Simplify right side
    3,140.26x = 10,164,172.42
  5. Step 5: Solve for x
    x = 10,164,172.42/3,140.26
  6. Step 6: Final answer
    x = 3,236.73

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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.