Home / 3,162.05-4,743.07-1,406.65

Finding the Fourth Proportional to 3,162.05, 4,743.07 and 1,406.65

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Solution

The fourth proportional to 3,162.05, 4,743.07 and 1,406.65 is: 2,109.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,162.05 : 4,743.07 = 1,406.65 : x
  2. Step 2: Convert to fraction form
    3,162.05/4,743.07 = 1,406.65/x
  3. Step 3: Cross multiply
    3,162.05x = 4,743.07 × 1,406.65
  4. Step 4: Simplify right side
    3,162.05x = 6,671,840.85
  5. Step 5: Solve for x
    x = 6,671,840.85/3,162.05
  6. Step 6: Final answer
    x = 2,109.97

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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.