Home / 3,163.06-4,740-2,174.86

Finding the Fourth Proportional to 3,163.06, 4,740 and 2,174.86

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Solution

The fourth proportional to 3,163.06, 4,740 and 2,174.86 is: 3,259.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,163.06 : 4,740 = 2,174.86 : x
  2. Step 2: Convert to fraction form
    3,163.06/4,740 = 2,174.86/x
  3. Step 3: Cross multiply
    3,163.06x = 4,740 × 2,174.86
  4. Step 4: Simplify right side
    3,163.06x = 10,308,836.40
  5. Step 5: Solve for x
    x = 10,308,836.40/3,163.06
  6. Step 6: Final answer
    x = 3,259.13

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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.